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Finding the Fourth Proportional to 67,332.72, 101,000.79 and 27,879.24

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Solution

The fourth proportional to 67,332.72, 101,000.79 and 27,879.24 is: 41,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,332.72 : 101,000.79 = 27,879.24 : x
  2. Step 2: Convert to fraction form
    67,332.72/101,000.79 = 27,879.24/x
  3. Step 3: Cross multiply
    67,332.72x = 101,000.79 × 27,879.24
  4. Step 4: Simplify right side
    67,332.72x = 2,815,825,264.60
  5. Step 5: Solve for x
    x = 2,815,825,264.60/67,332.72
  6. Step 6: Final answer
    x = 41,819.57

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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.