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Finding the Fourth Proportional to 58,502.73, 87,721.68 and 27,320.97

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Solution

The fourth proportional to 58,502.73, 87,721.68 and 27,320.97 is: 40,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,502.73 : 87,721.68 = 27,320.97 : x
  2. Step 2: Convert to fraction form
    58,502.73/87,721.68 = 27,320.97/x
  3. Step 3: Cross multiply
    58,502.73x = 87,721.68 × 27,320.97
  4. Step 4: Simplify right side
    58,502.73x = 2,396,641,387.63
  5. Step 5: Solve for x
    x = 2,396,641,387.63/58,502.73
  6. Step 6: Final answer
    x = 40,966.32

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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.