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Finding the Fourth Proportional to 63,792.30, 88,049 and 49,423.71

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Solution

The fourth proportional to 63,792.30, 88,049 and 49,423.71 is: 68,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,792.30 : 88,049 = 49,423.71 : x
  2. Step 2: Convert to fraction form
    63,792.30/88,049 = 49,423.71/x
  3. Step 3: Cross multiply
    63,792.30x = 88,049 × 49,423.71
  4. Step 4: Simplify right side
    63,792.30x = 4,351,708,241.79
  5. Step 5: Solve for x
    x = 4,351,708,241.79/63,792.30
  6. Step 6: Final answer
    x = 68,216.83

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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.