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Finding the Fourth Proportional to 18,093.39, 27,147.83 and 7,565.87

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Solution

The fourth proportional to 18,093.39, 27,147.83 and 7,565.87 is: 11,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.39 : 27,147.83 = 7,565.87 : x
  2. Step 2: Convert to fraction form
    18,093.39/27,147.83 = 7,565.87/x
  3. Step 3: Cross multiply
    18,093.39x = 27,147.83 × 7,565.87
  4. Step 4: Simplify right side
    18,093.39x = 205,396,829.90
  5. Step 5: Solve for x
    x = 205,396,829.90/18,093.39
  6. Step 6: Final answer
    x = 11,352.04

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Why These Related Problems?

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