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Finding the Fourth Proportional to 8,963.73, 13,438.51 and 3,695.69

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Solution

The fourth proportional to 8,963.73, 13,438.51 and 3,695.69 is: 5,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.73 : 13,438.51 = 3,695.69 : x
  2. Step 2: Convert to fraction form
    8,963.73/13,438.51 = 3,695.69/x
  3. Step 3: Cross multiply
    8,963.73x = 13,438.51 × 3,695.69
  4. Step 4: Simplify right side
    8,963.73x = 49,664,591.38
  5. Step 5: Solve for x
    x = 49,664,591.38/8,963.73
  6. Step 6: Final answer
    x = 5,540.62

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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.