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Finding the Fourth Proportional to 22,438.08, 33,657.12 and 12,562.56

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Solution

The fourth proportional to 22,438.08, 33,657.12 and 12,562.56 is: 18,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.08 : 33,657.12 = 12,562.56 : x
  2. Step 2: Convert to fraction form
    22,438.08/33,657.12 = 12,562.56/x
  3. Step 3: Cross multiply
    22,438.08x = 33,657.12 × 12,562.56
  4. Step 4: Simplify right side
    22,438.08x = 422,819,589.43
  5. Step 5: Solve for x
    x = 422,819,589.43/22,438.08
  6. Step 6: Final answer
    x = 18,843.84

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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.