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Finding the Fourth Proportional to 41,874.40, 62,714.40 and 40,902.40

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Solution

The fourth proportional to 41,874.40, 62,714.40 and 40,902.40 is: 61,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,874.40 : 62,714.40 = 40,902.40 : x
  2. Step 2: Convert to fraction form
    41,874.40/62,714.40 = 40,902.40/x
  3. Step 3: Cross multiply
    41,874.40x = 62,714.40 × 40,902.40
  4. Step 4: Simplify right side
    41,874.40x = 2,565,169,474.56
  5. Step 5: Solve for x
    x = 2,565,169,474.56/41,874.40
  6. Step 6: Final answer
    x = 61,258.66

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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.