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Finding the Fourth Proportional to 40,319.80, 60,414.90 and 29,822.20

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Solution

The fourth proportional to 40,319.80, 60,414.90 and 29,822.20 is: 44,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.80 : 60,414.90 = 29,822.20 : x
  2. Step 2: Convert to fraction form
    40,319.80/60,414.90 = 29,822.20/x
  3. Step 3: Cross multiply
    40,319.80x = 60,414.90 × 29,822.20
  4. Step 4: Simplify right side
    40,319.80x = 1,801,705,230.78
  5. Step 5: Solve for x
    x = 1,801,705,230.78/40,319.80
  6. Step 6: Final answer
    x = 44,685.37

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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.