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Finding the Fourth Proportional to 48,432.60, 72,648.90 and 41,434.20

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Solution

The fourth proportional to 48,432.60, 72,648.90 and 41,434.20 is: 62,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,432.60 : 72,648.90 = 41,434.20 : x
  2. Step 2: Convert to fraction form
    48,432.60/72,648.90 = 41,434.20/x
  3. Step 3: Cross multiply
    48,432.60x = 72,648.90 × 41,434.20
  4. Step 4: Simplify right side
    48,432.60x = 3,010,149,052.38
  5. Step 5: Solve for x
    x = 3,010,149,052.38/48,432.60
  6. Step 6: Final answer
    x = 62,151.30

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1.5x scale

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.