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Finding the Fourth Proportional to 52,469.71, 72,408.60 and 28,596.31

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Solution

The fourth proportional to 52,469.71, 72,408.60 and 28,596.31 is: 39,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,469.71 : 72,408.60 = 28,596.31 : x
  2. Step 2: Convert to fraction form
    52,469.71/72,408.60 = 28,596.31/x
  3. Step 3: Cross multiply
    52,469.71x = 72,408.60 × 28,596.31
  4. Step 4: Simplify right side
    52,469.71x = 2,070,618,591.24
  5. Step 5: Solve for x
    x = 2,070,618,591.24/52,469.71
  6. Step 6: Final answer
    x = 39,463.12

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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.