$\frac{1.5}{........}\ =\ \frac{2.25}{0.6}$  

Find the missing term :
....... , 8 , 16  and 64

 $If\ \frac{x+7}{36}\ =\frac{1}{4}\ ,\ then\ x\ =\ ..........$  

 $If\ \frac{x+8}{6}=2\ ,\ then\ x\ =\ ........$  

The first proportional of 5 , 10 , and 20 is ............

 $\frac{3}{4}=\frac{2x}{32}$  find the value of x

 $\frac{2\ x\ +\ 30}{4}\ =\ 25$  Find the value of x

The product of the extremes = the product of the ..........