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Finding the Fourth Proportional to 41,201.90, 61,932.45 and 40,424.30

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Solution

The fourth proportional to 41,201.90, 61,932.45 and 40,424.30 is: 60,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,201.90 : 61,932.45 = 40,424.30 : x
  2. Step 2: Convert to fraction form
    41,201.90/61,932.45 = 40,424.30/x
  3. Step 3: Cross multiply
    41,201.90x = 61,932.45 × 40,424.30
  4. Step 4: Simplify right side
    41,201.90x = 2,503,575,938.54
  5. Step 5: Solve for x
    x = 2,503,575,938.54/41,201.90
  6. Step 6: Final answer
    x = 60,763.60

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1.5x scale

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.