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Finding the Fourth Proportional to 67,014, 100,520 and 22,671.92

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Solution

The fourth proportional to 67,014, 100,520 and 22,671.92 is: 34,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,014 : 100,520 = 22,671.92 : x
  2. Step 2: Convert to fraction form
    67,014/100,520 = 22,671.92/x
  3. Step 3: Cross multiply
    67,014x = 100,520 × 22,671.92
  4. Step 4: Simplify right side
    67,014x = 2,278,981,398.40
  5. Step 5: Solve for x
    x = 2,278,981,398.40/67,014
  6. Step 6: Final answer
    x = 34,007.54

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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.