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Finding the Fourth Proportional to 40,316.20, 60,414.90 and 29,246.20

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Solution

The fourth proportional to 40,316.20, 60,414.90 and 29,246.20 is: 43,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,316.20 : 60,414.90 = 29,246.20 : x
  2. Step 2: Convert to fraction form
    40,316.20/60,414.90 = 29,246.20/x
  3. Step 3: Cross multiply
    40,316.20x = 60,414.90 × 29,246.20
  4. Step 4: Simplify right side
    40,316.20x = 1,766,906,248.38
  5. Step 5: Solve for x
    x = 1,766,906,248.38/40,316.20
  6. Step 6: Final answer
    x = 43,826.21

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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.