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Finding the Fourth Proportional to 67,579.80, 101,359.05 and 22,600.81

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Solution

The fourth proportional to 67,579.80, 101,359.05 and 22,600.81 is: 33,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,579.80 : 101,359.05 = 22,600.81 : x
  2. Step 2: Convert to fraction form
    67,579.80/101,359.05 = 22,600.81/x
  3. Step 3: Cross multiply
    67,579.80x = 101,359.05 × 22,600.81
  4. Step 4: Simplify right side
    67,579.80x = 2,290,796,672.78
  5. Step 5: Solve for x
    x = 2,290,796,672.78/67,579.80
  6. Step 6: Final answer
    x = 33,897.66

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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.