Finding the Fourth Proportional to 7,074,376.05, 10,613,807.11 and 2,525,327.20
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Solution
The fourth proportional to 7,074,376.05, 10,613,807.11 and 2,525,327.20 is: 3,788,791.49
Step by Step Solution
- Step 1: Write the proportion equation
7,074,376.05 : 10,613,807.11 = 2,525,327.20 : x - Step 2: Convert to fraction form
7,074,376.05/10,613,807.11 = 2,525,327.20/x - Step 3: Cross multiply
7,074,376.05x = 10,613,807.11 × 2,525,327.20 - Step 4: Simplify right side
7,074,376.05x = 26,803,335,806,860.31 - Step 5: Solve for x
x = 26,803,335,806,860.31/7,074,376.05 - Step 6: Final answer
x = 3,788,791.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.