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Finding the Fourth Proportional to 18,063.26, 24,916.47 and 11,439.26

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Solution

The fourth proportional to 18,063.26, 24,916.47 and 11,439.26 is: 15,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.26 : 24,916.47 = 11,439.26 : x
  2. Step 2: Convert to fraction form
    18,063.26/24,916.47 = 11,439.26/x
  3. Step 3: Cross multiply
    18,063.26x = 24,916.47 × 11,439.26
  4. Step 4: Simplify right side
    18,063.26x = 285,025,978.61
  5. Step 5: Solve for x
    x = 285,025,978.61/18,063.26
  6. Step 6: Final answer
    x = 15,779.32

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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.