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Finding the Fourth Proportional to 12,104.88, 18,155.14 and 3,337.62

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Solution

The fourth proportional to 12,104.88, 18,155.14 and 3,337.62 is: 5,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.88 : 18,155.14 = 3,337.62 : x
  2. Step 2: Convert to fraction form
    12,104.88/18,155.14 = 3,337.62/x
  3. Step 3: Cross multiply
    12,104.88x = 18,155.14 × 3,337.62
  4. Step 4: Simplify right side
    12,104.88x = 60,594,958.37
  5. Step 5: Solve for x
    x = 60,594,958.37/12,104.88
  6. Step 6: Final answer
    x = 5,005.83

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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.