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Finding the Fourth Proportional to 22,350.66, 33,531.36 and 8,311.15

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Solution

The fourth proportional to 22,350.66, 33,531.36 and 8,311.15 is: 12,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.66 : 33,531.36 = 8,311.15 : x
  2. Step 2: Convert to fraction form
    22,350.66/33,531.36 = 8,311.15/x
  3. Step 3: Cross multiply
    22,350.66x = 33,531.36 × 8,311.15
  4. Step 4: Simplify right side
    22,350.66x = 278,684,162.66
  5. Step 5: Solve for x
    x = 278,684,162.66/22,350.66
  6. Step 6: Final answer
    x = 12,468.72

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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.