98/2487= <span>0.0394049055</span>
Answer:
49
Step-by-step explanation:
Let x be unknown number which should be added to numbers 1, 11, 23 to get geometric progression. Then numbers 1 + x, 11 + x, 23 + x are first three terms of geometric progression.
Hence,

and

Express q:

Solve this equation. Cross multiply:

Answer:
X = 2
Step-by-step explanation:
11 x 2 = 22
22 + 6 = 28
This is the answer for your question: y=3x+130
48, 53, 58, 63 is from low to hight numbers