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Finding the Fourth Proportional to 29,469.87, 40,672.62 and 16,726.20

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Solution

The fourth proportional to 29,469.87, 40,672.62 and 16,726.20 is: 23,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469.87 : 40,672.62 = 16,726.20 : x
  2. Step 2: Convert to fraction form
    29,469.87/40,672.62 = 16,726.20/x
  3. Step 3: Cross multiply
    29,469.87x = 40,672.62 × 16,726.20
  4. Step 4: Simplify right side
    29,469.87x = 680,298,293.01
  5. Step 5: Solve for x
    x = 680,298,293.01/29,469.87
  6. Step 6: Final answer
    x = 23,084.54

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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.