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3) find the value of X in each of the following proportion :

1)                                  3  =  x
                                          20
                                 2) 4

X= …………………..                     X= …………………..

3)  15  =  30                    4) x : 16= 5 : 4
    x      12                      X= …………………..

    X= …………………..

4) find the missing term in each of the following proportion :

    a) 2 , 3 , ……. , 6    is ……

    b) 1 , 4 , 3 , …….    is ……

    c) 3 , 5 , 6 , …….    is ……

    d) ..… , 9 , 10 , 18  is ……

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