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Finding the Fourth Proportional to 67,910, 93,711.48 and 37,695.92

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Solution

The fourth proportional to 67,910, 93,711.48 and 37,695.92 is: 52,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,910 : 93,711.48 = 37,695.92 : x
  2. Step 2: Convert to fraction form
    67,910/93,711.48 = 37,695.92/x
  3. Step 3: Cross multiply
    67,910x = 93,711.48 × 37,695.92
  4. Step 4: Simplify right side
    67,910x = 3,532,540,453.16
  5. Step 5: Solve for x
    x = 3,532,540,453.16/67,910
  6. Step 6: Final answer
    x = 52,017.97

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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.