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Finding the Fourth Proportional to 80,553.60, 120,791.52 and 33,793.92

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Solution

The fourth proportional to 80,553.60, 120,791.52 and 33,793.92 is: 50,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,553.60 : 120,791.52 = 33,793.92 : x
  2. Step 2: Convert to fraction form
    80,553.60/120,791.52 = 33,793.92/x
  3. Step 3: Cross multiply
    80,553.60x = 120,791.52 × 33,793.92
  4. Step 4: Simplify right side
    80,553.60x = 4,082,018,963.56
  5. Step 5: Solve for x
    x = 4,082,018,963.56/80,553.60
  6. Step 6: Final answer
    x = 50,674.57

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1.5x scale

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.