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Finding the Fourth Proportional to 39,471.82, 59,167.82 and 16,997.15

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Solution

The fourth proportional to 39,471.82, 59,167.82 and 16,997.15 is: 25,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.82 : 59,167.82 = 16,997.15 : x
  2. Step 2: Convert to fraction form
    39,471.82/59,167.82 = 16,997.15/x
  3. Step 3: Cross multiply
    39,471.82x = 59,167.82 × 16,997.15
  4. Step 4: Simplify right side
    39,471.82x = 1,005,684,374.65
  5. Step 5: Solve for x
    x = 1,005,684,374.65/39,471.82
  6. Step 6: Final answer
    x = 25,478.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.