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Finding the Fourth Proportional to 41,859.60, 62,791.23 and 20,809.73

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Solution

The fourth proportional to 41,859.60, 62,791.23 and 20,809.73 is: 31,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,859.60 : 62,791.23 = 20,809.73 : x
  2. Step 2: Convert to fraction form
    41,859.60/62,791.23 = 20,809.73/x
  3. Step 3: Cross multiply
    41,859.60x = 62,791.23 × 20,809.73
  4. Step 4: Simplify right side
    41,859.60x = 1,306,668,228.71
  5. Step 5: Solve for x
    x = 1,306,668,228.71/41,859.60
  6. Step 6: Final answer
    x = 31,215.50

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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.