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Finding the Fourth Proportional to 59,630.25, 89,379.63 and 38,520.30

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Solution

The fourth proportional to 59,630.25, 89,379.63 and 38,520.30 is: 57,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,630.25 : 89,379.63 = 38,520.30 : x
  2. Step 2: Convert to fraction form
    59,630.25/89,379.63 = 38,520.30/x
  3. Step 3: Cross multiply
    59,630.25x = 89,379.63 × 38,520.30
  4. Step 4: Simplify right side
    59,630.25x = 3,442,930,161.49
  5. Step 5: Solve for x
    x = 3,442,930,161.49/59,630.25
  6. Step 6: Final answer
    x = 57,737.98

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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.