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Finding the Fourth Proportional to 18,296.26, 25,233.81 and 11,217.70

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Solution

The fourth proportional to 18,296.26, 25,233.81 and 11,217.70 is: 15,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.26 : 25,233.81 = 11,217.70 : x
  2. Step 2: Convert to fraction form
    18,296.26/25,233.81 = 11,217.70/x
  3. Step 3: Cross multiply
    18,296.26x = 25,233.81 × 11,217.70
  4. Step 4: Simplify right side
    18,296.26x = 283,065,310.44
  5. Step 5: Solve for x
    x = 283,065,310.44/18,296.26
  6. Step 6: Final answer
    x = 15,471.21

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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.