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Finding the Fourth Proportional to 12,042.69, 16,613.30 and 7,795.12

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Solution

The fourth proportional to 12,042.69, 16,613.30 and 7,795.12 is: 10,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.69 : 16,613.30 = 7,795.12 : x
  2. Step 2: Convert to fraction form
    12,042.69/16,613.30 = 7,795.12/x
  3. Step 3: Cross multiply
    12,042.69x = 16,613.30 × 7,795.12
  4. Step 4: Simplify right side
    12,042.69x = 129,502,545.05
  5. Step 5: Solve for x
    x = 129,502,545.05/12,042.69
  6. Step 6: Final answer
    x = 10,753.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.