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Finding the Fourth Proportional to 52,179.96, 72,003.96 and 29,517.78

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Solution

The fourth proportional to 52,179.96, 72,003.96 and 29,517.78 is: 40,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.96 : 72,003.96 = 29,517.78 : x
  2. Step 2: Convert to fraction form
    52,179.96/72,003.96 = 29,517.78/x
  3. Step 3: Cross multiply
    52,179.96x = 72,003.96 × 29,517.78
  4. Step 4: Simplify right side
    52,179.96x = 2,125,397,050.41
  5. Step 5: Solve for x
    x = 2,125,397,050.41/52,179.96
  6. Step 6: Final answer
    x = 40,732.06

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1.5x scale

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.