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Finding the Fourth Proportional to 52,520.67, 72,478.60 and 29,859.71

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Solution

The fourth proportional to 52,520.67, 72,478.60 and 29,859.71 is: 41,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.67 : 72,478.60 = 29,859.71 : x
  2. Step 2: Convert to fraction form
    52,520.67/72,478.60 = 29,859.71/x
  3. Step 3: Cross multiply
    52,520.67x = 72,478.60 × 29,859.71
  4. Step 4: Simplify right side
    52,520.67x = 2,164,189,540.16
  5. Step 5: Solve for x
    x = 2,164,189,540.16/52,520.67
  6. Step 6: Final answer
    x = 41,206.43

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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.