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Finding the Fourth Proportional to 67,474.80, 93,113.28 and 37,257.89

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Solution

The fourth proportional to 67,474.80, 93,113.28 and 37,257.89 is: 51,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,474.80 : 93,113.28 = 37,257.89 : x
  2. Step 2: Convert to fraction form
    67,474.80/93,113.28 = 37,257.89/x
  3. Step 3: Cross multiply
    67,474.80x = 93,113.28 × 37,257.89
  4. Step 4: Simplify right side
    67,474.80x = 3,469,203,878.21
  5. Step 5: Solve for x
    x = 3,469,203,878.21/67,474.80
  6. Step 6: Final answer
    x = 51,414.81

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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.