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Finding the Fourth Proportional to 41,441, 62,171.34 and 13,739

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Solution

The fourth proportional to 41,441, 62,171.34 and 13,739 is: 20,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,441 : 62,171.34 = 13,739 : x
  2. Step 2: Convert to fraction form
    41,441/62,171.34 = 13,739/x
  3. Step 3: Cross multiply
    41,441x = 62,171.34 × 13,739
  4. Step 4: Simplify right side
    41,441x = 854,172,040.26
  5. Step 5: Solve for x
    x = 854,172,040.26/41,441
  6. Step 6: Final answer
    x = 20,611.76

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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.