Finding the Fourth Proportional to 48,540,687.30, 66,985,695.63 and 26,514,178.29
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Solution
The fourth proportional to 48,540,687.30, 66,985,695.63 and 26,514,178.29 is: 36,589,318.69
Step by Step Solution
- Step 1: Write the proportion equation
48,540,687.30 : 66,985,695.63 = 26,514,178.29 : x - Step 2: Convert to fraction form
48,540,687.30/66,985,695.63 = 26,514,178.29/x - Step 3: Cross multiply
48,540,687.30x = 66,985,695.63 × 26,514,178.29 - Step 4: Simplify right side
48,540,687.30x = 1,776,070,676,813,494 - Step 5: Solve for x
x = 1,776,070,676,813,494/48,540,687.30 - Step 6: Final answer
x = 36,589,318.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.