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Finding the Fourth Proportional to 29,662.58, 44,469.49 and 13,859.79

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Solution

The fourth proportional to 29,662.58, 44,469.49 and 13,859.79 is: 20,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,662.58 : 44,469.49 = 13,859.79 : x
  2. Step 2: Convert to fraction form
    29,662.58/44,469.49 = 13,859.79/x
  3. Step 3: Cross multiply
    29,662.58x = 44,469.49 × 13,859.79
  4. Step 4: Simplify right side
    29,662.58x = 616,337,758.16
  5. Step 5: Solve for x
    x = 616,337,758.16/29,662.58
  6. Step 6: Final answer
    x = 20,778.30

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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.