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Finding the Fourth Proportional to 38,793.60, 58,125.60 and 33,220.80

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Solution

The fourth proportional to 38,793.60, 58,125.60 and 33,220.80 is: 49,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.60 : 58,125.60 = 33,220.80 : x
  2. Step 2: Convert to fraction form
    38,793.60/58,125.60 = 33,220.80/x
  3. Step 3: Cross multiply
    38,793.60x = 58,125.60 × 33,220.80
  4. Step 4: Simplify right side
    38,793.60x = 1,930,978,932.48
  5. Step 5: Solve for x
    x = 1,930,978,932.48/38,793.60
  6. Step 6: Final answer
    x = 49,775.71

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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.