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Finding the Fourth Proportional to 52,354.60, 72,250.02 and 28,481.92

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Solution

The fourth proportional to 52,354.60, 72,250.02 and 28,481.92 is: 39,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,354.60 : 72,250.02 = 28,481.92 : x
  2. Step 2: Convert to fraction form
    52,354.60/72,250.02 = 28,481.92/x
  3. Step 3: Cross multiply
    52,354.60x = 72,250.02 × 28,481.92
  4. Step 4: Simplify right side
    52,354.60x = 2,057,819,289.64
  5. Step 5: Solve for x
    x = 2,057,819,289.64/52,354.60
  6. Step 6: Final answer
    x = 39,305.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.