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Finding the Fourth Proportional to 67,073.92, 100,668.48 and 31,995.52

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Solution

The fourth proportional to 67,073.92, 100,668.48 and 31,995.52 is: 48,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,073.92 : 100,668.48 = 31,995.52 : x
  2. Step 2: Convert to fraction form
    67,073.92/100,668.48 = 31,995.52/x
  3. Step 3: Cross multiply
    67,073.92x = 100,668.48 × 31,995.52
  4. Step 4: Simplify right side
    67,073.92x = 3,220,940,365.21
  5. Step 5: Solve for x
    x = 3,220,940,365.21/67,073.92
  6. Step 6: Final answer
    x = 48,020.76

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1.5x scale

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.