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Finding the Fourth Proportional to 15,644.92, 23,411.46 and 13,589.14

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Solution

The fourth proportional to 15,644.92, 23,411.46 and 13,589.14 is: 20,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.92 : 23,411.46 = 13,589.14 : x
  2. Step 2: Convert to fraction form
    15,644.92/23,411.46 = 13,589.14/x
  3. Step 3: Cross multiply
    15,644.92x = 23,411.46 × 13,589.14
  4. Step 4: Simplify right side
    15,644.92x = 318,141,607.54
  5. Step 5: Solve for x
    x = 318,141,607.54/15,644.92
  6. Step 6: Final answer
    x = 20,335.14

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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.