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Finding the Fourth Proportional to 41,917.85, 62,883.03 and 13,840.88

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Solution

The fourth proportional to 41,917.85, 62,883.03 and 13,840.88 is: 20,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,917.85 : 62,883.03 = 13,840.88 : x
  2. Step 2: Convert to fraction form
    41,917.85/62,883.03 = 13,840.88/x
  3. Step 3: Cross multiply
    41,917.85x = 62,883.03 × 13,840.88
  4. Step 4: Simplify right side
    41,917.85x = 870,356,209.75
  5. Step 5: Solve for x
    x = 870,356,209.75/41,917.85
  6. Step 6: Final answer
    x = 20,763.38

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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.