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Finding the Fourth Proportional to 67,006.65, 100,512.23 and 33,708.56

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Solution

The fourth proportional to 67,006.65, 100,512.23 and 33,708.56 is: 50,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006.65 : 100,512.23 = 33,708.56 : x
  2. Step 2: Convert to fraction form
    67,006.65/100,512.23 = 33,708.56/x
  3. Step 3: Cross multiply
    67,006.65x = 100,512.23 × 33,708.56
  4. Step 4: Simplify right side
    67,006.65x = 3,388,121,864.58
  5. Step 5: Solve for x
    x = 3,388,121,864.58/67,006.65
  6. Step 6: Final answer
    x = 50,563.96

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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.