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Finding the Fourth Proportional to 18,132.05, 25,022.17 and 10,174.26

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Solution

The fourth proportional to 18,132.05, 25,022.17 and 10,174.26 is: 14,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.05 : 25,022.17 = 10,174.26 : x
  2. Step 2: Convert to fraction form
    18,132.05/25,022.17 = 10,174.26/x
  3. Step 3: Cross multiply
    18,132.05x = 25,022.17 × 10,174.26
  4. Step 4: Simplify right side
    18,132.05x = 254,581,971.92
  5. Step 5: Solve for x
    x = 254,581,971.92/18,132.05
  6. Step 6: Final answer
    x = 14,040.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.