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Finding the Fourth Proportional to 59,553.60, 89,200.80 and 38,558.40

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Solution

The fourth proportional to 59,553.60, 89,200.80 and 38,558.40 is: 57,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,553.60 : 89,200.80 = 38,558.40 : x
  2. Step 2: Convert to fraction form
    59,553.60/89,200.80 = 38,558.40/x
  3. Step 3: Cross multiply
    59,553.60x = 89,200.80 × 38,558.40
  4. Step 4: Simplify right side
    59,553.60x = 3,439,440,126.72
  5. Step 5: Solve for x
    x = 3,439,440,126.72/59,553.60
  6. Step 6: Final answer
    x = 57,753.69

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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.