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Finding the Fourth Proportional to 59,398.38, 81,976.86 and 36,752.40

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Solution

The fourth proportional to 59,398.38, 81,976.86 and 36,752.40 is: 50,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,398.38 : 81,976.86 = 36,752.40 : x
  2. Step 2: Convert to fraction form
    59,398.38/81,976.86 = 36,752.40/x
  3. Step 3: Cross multiply
    59,398.38x = 81,976.86 × 36,752.40
  4. Step 4: Simplify right side
    59,398.38x = 3,012,846,349.46
  5. Step 5: Solve for x
    x = 3,012,846,349.46/59,398.38
  6. Step 6: Final answer
    x = 50,722.70

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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.