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Finding the Fourth Proportional to 29,862.60, 44,793.90 and 20,531.40

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Solution

The fourth proportional to 29,862.60, 44,793.90 and 20,531.40 is: 30,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,862.60 : 44,793.90 = 20,531.40 : x
  2. Step 2: Convert to fraction form
    29,862.60/44,793.90 = 20,531.40/x
  3. Step 3: Cross multiply
    29,862.60x = 44,793.90 × 20,531.40
  4. Step 4: Simplify right side
    29,862.60x = 919,681,478.46
  5. Step 5: Solve for x
    x = 919,681,478.46/29,862.60
  6. Step 6: Final answer
    x = 30,797.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.