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Finding the Fourth Proportional to 52,540.92, 78,750.90 and 22,951.80

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Solution

The fourth proportional to 52,540.92, 78,750.90 and 22,951.80 is: 34,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,540.92 : 78,750.90 = 22,951.80 : x
  2. Step 2: Convert to fraction form
    52,540.92/78,750.90 = 22,951.80/x
  3. Step 3: Cross multiply
    52,540.92x = 78,750.90 × 22,951.80
  4. Step 4: Simplify right side
    52,540.92x = 1,807,474,906.62
  5. Step 5: Solve for x
    x = 1,807,474,906.62/52,540.92
  6. Step 6: Final answer
    x = 34,401.28

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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.