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Finding the Fourth Proportional to 29,599.50, 40,847.31 and 16,351.50

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Solution

The fourth proportional to 29,599.50, 40,847.31 and 16,351.50 is: 22,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,599.50 : 40,847.31 = 16,351.50 : x
  2. Step 2: Convert to fraction form
    29,599.50/40,847.31 = 16,351.50/x
  3. Step 3: Cross multiply
    29,599.50x = 40,847.31 × 16,351.50
  4. Step 4: Simplify right side
    29,599.50x = 667,914,789.47
  5. Step 5: Solve for x
    x = 667,914,789.47/29,599.50
  6. Step 6: Final answer
    x = 22,565.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.