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Finding the Fourth Proportional to 18,354.40, 27,545.44 and 8,500.60

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Solution

The fourth proportional to 18,354.40, 27,545.44 and 8,500.60 is: 12,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.40 : 27,545.44 = 8,500.60 : x
  2. Step 2: Convert to fraction form
    18,354.40/27,545.44 = 8,500.60/x
  3. Step 3: Cross multiply
    18,354.40x = 27,545.44 × 8,500.60
  4. Step 4: Simplify right side
    18,354.40x = 234,152,611.55
  5. Step 5: Solve for x
    x = 234,152,611.55/18,354.40
  6. Step 6: Final answer
    x = 12,757.30

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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.