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Finding the Fourth Proportional to 67,258.92, 92,813.70 and 37,449

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Solution

The fourth proportional to 67,258.92, 92,813.70 and 37,449 is: 51,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,258.92 : 92,813.70 = 37,449 : x
  2. Step 2: Convert to fraction form
    67,258.92/92,813.70 = 37,449/x
  3. Step 3: Cross multiply
    67,258.92x = 92,813.70 × 37,449
  4. Step 4: Simplify right side
    67,258.92x = 3,475,780,251.30
  5. Step 5: Solve for x
    x = 3,475,780,251.30/67,258.92
  6. Step 6: Final answer
    x = 51,677.61

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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.