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Finding the Fourth Proportional to 41,801.89, 57,687.60 and 22,939

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Solution

The fourth proportional to 41,801.89, 57,687.60 and 22,939 is: 31,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,801.89 : 57,687.60 = 22,939 : x
  2. Step 2: Convert to fraction form
    41,801.89/57,687.60 = 22,939/x
  3. Step 3: Cross multiply
    41,801.89x = 57,687.60 × 22,939
  4. Step 4: Simplify right side
    41,801.89x = 1,323,295,856.40
  5. Step 5: Solve for x
    x = 1,323,295,856.40/41,801.89
  6. Step 6: Final answer
    x = 31,656.36

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Why These Related Problems?

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