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Finding the Fourth Proportional to 15,998.31, 23,997.36 and 8,606.25

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Solution

The fourth proportional to 15,998.31, 23,997.36 and 8,606.25 is: 12,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.31 : 23,997.36 = 8,606.25 : x
  2. Step 2: Convert to fraction form
    15,998.31/23,997.36 = 8,606.25/x
  3. Step 3: Cross multiply
    15,998.31x = 23,997.36 × 8,606.25
  4. Step 4: Simplify right side
    15,998.31x = 206,527,311.77
  5. Step 5: Solve for x
    x = 206,527,311.77/15,998.31
  6. Step 6: Final answer
    x = 12,909.32

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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.