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Finding the Fourth Proportional to 41,638.76, 62,414.40 and 25,843.76

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Solution

The fourth proportional to 41,638.76, 62,414.40 and 25,843.76 is: 38,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,638.76 : 62,414.40 = 25,843.76 : x
  2. Step 2: Convert to fraction form
    41,638.76/62,414.40 = 25,843.76/x
  3. Step 3: Cross multiply
    41,638.76x = 62,414.40 × 25,843.76
  4. Step 4: Simplify right side
    41,638.76x = 1,613,022,774.14
  5. Step 5: Solve for x
    x = 1,613,022,774.14/41,638.76
  6. Step 6: Final answer
    x = 38,738.49

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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.