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Finding the Fourth Proportional to 29,892.20, 44,799.90 and 12,374.12

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Solution

The fourth proportional to 29,892.20, 44,799.90 and 12,374.12 is: 18,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892.20 : 44,799.90 = 12,374.12 : x
  2. Step 2: Convert to fraction form
    29,892.20/44,799.90 = 12,374.12/x
  3. Step 3: Cross multiply
    29,892.20x = 44,799.90 × 12,374.12
  4. Step 4: Simplify right side
    29,892.20x = 554,359,338.59
  5. Step 5: Solve for x
    x = 554,359,338.59/29,892.20
  6. Step 6: Final answer
    x = 18,545.28

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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.