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Finding the Fourth Proportional to 41,644.70, 62,494.71 and 19,459.79

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Solution

The fourth proportional to 41,644.70, 62,494.71 and 19,459.79 is: 29,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,644.70 : 62,494.71 = 19,459.79 : x
  2. Step 2: Convert to fraction form
    41,644.70/62,494.71 = 19,459.79/x
  3. Step 3: Cross multiply
    41,644.70x = 62,494.71 × 19,459.79
  4. Step 4: Simplify right side
    41,644.70x = 1,216,133,781.62
  5. Step 5: Solve for x
    x = 1,216,133,781.62/41,644.70
  6. Step 6: Final answer
    x = 29,202.61

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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.