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Finding the Fourth Proportional to 49,672.80, 68,540.88 and 29,529.24

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Solution

The fourth proportional to 49,672.80, 68,540.88 and 29,529.24 is: 40,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672.80 : 68,540.88 = 29,529.24 : x
  2. Step 2: Convert to fraction form
    49,672.80/68,540.88 = 29,529.24/x
  3. Step 3: Cross multiply
    49,672.80x = 68,540.88 × 29,529.24
  4. Step 4: Simplify right side
    49,672.80x = 2,023,960,095.33
  5. Step 5: Solve for x
    x = 2,023,960,095.33/49,672.80
  6. Step 6: Final answer
    x = 40,745.84

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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.