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Finding the Fourth Proportional to 41,963.88, 62,951.96 and 12,377.86

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Solution

The fourth proportional to 41,963.88, 62,951.96 and 12,377.86 is: 18,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,963.88 : 62,951.96 = 12,377.86 : x
  2. Step 2: Convert to fraction form
    41,963.88/62,951.96 = 12,377.86/x
  3. Step 3: Cross multiply
    41,963.88x = 62,951.96 × 12,377.86
  4. Step 4: Simplify right side
    41,963.88x = 779,210,547.61
  5. Step 5: Solve for x
    x = 779,210,547.61/41,963.88
  6. Step 6: Final answer
    x = 18,568.60

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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.