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Finding the Fourth Proportional to 69,197.93, 95,493.44 and 38,983.61

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Solution

The fourth proportional to 69,197.93, 95,493.44 and 38,983.61 is: 53,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,197.93 : 95,493.44 = 38,983.61 : x
  2. Step 2: Convert to fraction form
    69,197.93/95,493.44 = 38,983.61/x
  3. Step 3: Cross multiply
    69,197.93x = 95,493.44 × 38,983.61
  4. Step 4: Simplify right side
    69,197.93x = 3,722,679,185.70
  5. Step 5: Solve for x
    x = 3,722,679,185.70/69,197.93
  6. Step 6: Final answer
    x = 53,797.55

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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.