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Finding the Fourth Proportional to 52,699.80, 72,732.42 and 34,565.79

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Solution

The fourth proportional to 52,699.80, 72,732.42 and 34,565.79 is: 47,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,699.80 : 72,732.42 = 34,565.79 : x
  2. Step 2: Convert to fraction form
    52,699.80/72,732.42 = 34,565.79/x
  3. Step 3: Cross multiply
    52,699.80x = 72,732.42 × 34,565.79
  4. Step 4: Simplify right side
    52,699.80x = 2,514,053,555.91
  5. Step 5: Solve for x
    x = 2,514,053,555.91/52,699.80
  6. Step 6: Final answer
    x = 47,705.18

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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.