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Finding the Fourth Proportional to 59,398.80, 81,972.32 and 32,542.48

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Solution

The fourth proportional to 59,398.80, 81,972.32 and 32,542.48 is: 44,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,398.80 : 81,972.32 = 32,542.48 : x
  2. Step 2: Convert to fraction form
    59,398.80/81,972.32 = 32,542.48/x
  3. Step 3: Cross multiply
    59,398.80x = 81,972.32 × 32,542.48
  4. Step 4: Simplify right side
    59,398.80x = 2,667,582,584.15
  5. Step 5: Solve for x
    x = 2,667,582,584.15/59,398.80
  6. Step 6: Final answer
    x = 44,909.70

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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.