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Finding the Fourth Proportional to 41,081.67, 56,692.65 and 22,218.78

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Solution

The fourth proportional to 41,081.67, 56,692.65 and 22,218.78 is: 30,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,081.67 : 56,692.65 = 22,218.78 : x
  2. Step 2: Convert to fraction form
    41,081.67/56,692.65 = 22,218.78/x
  3. Step 3: Cross multiply
    41,081.67x = 56,692.65 × 22,218.78
  4. Step 4: Simplify right side
    41,081.67x = 1,259,641,517.97
  5. Step 5: Solve for x
    x = 1,259,641,517.97/41,081.67
  6. Step 6: Final answer
    x = 30,661.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.