Finding the Fourth Proportional to 19,691.12, 29,536.68 and 5,840
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Solution
The fourth proportional to 19,691.12, 29,536.68 and 5,840 is: 8,760
Step by Step Solution
- Step 1: Write the proportion equation
19,691.12 : 29,536.68 = 5,840 : x - Step 2: Convert to fraction form
19,691.12/29,536.68 = 5,840/x - Step 3: Cross multiply
19,691.12x = 29,536.68 × 5,840 - Step 4: Simplify right side
19,691.12x = 172,494,211.20 - Step 5: Solve for x
x = 172,494,211.20/19,691.12 - Step 6: Final answer
x = 8,760
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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.