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Finding the Fourth Proportional to 18,249.29, 27,352.91 and 8,243.25

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Solution

The fourth proportional to 18,249.29, 27,352.91 and 8,243.25 is: 12,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.29 : 27,352.91 = 8,243.25 : x
  2. Step 2: Convert to fraction form
    18,249.29/27,352.91 = 8,243.25/x
  3. Step 3: Cross multiply
    18,249.29x = 27,352.91 × 8,243.25
  4. Step 4: Simplify right side
    18,249.29x = 225,476,834.14
  5. Step 5: Solve for x
    x = 225,476,834.14/18,249.29
  6. Step 6: Final answer
    x = 12,355.38

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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.