Question

13 : 30 :: 41:? what is the answer

Answer 1

Hi ,

We know that ,
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If a : b = c : d , we write a : b : : c : d and

we say that a , b , c , d are in proportion.

a and d are known as extrems , while

b and c are known as means .

If a : b : : c : d then

Product of extrems = product of means

ad = bc
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According to the problem given ,

13 : 30 : : 41 : x

13 × x = 30 × 41

x = ( 30 × 41 ) / 13

x = 1230 / 13

x = 94.615

I hope this helps you.

:)