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Finding the Fourth Proportional to 67,229.60, 100,844.46 and 17,309.80

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Solution

The fourth proportional to 67,229.60, 100,844.46 and 17,309.80 is: 25,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,229.60 : 100,844.46 = 17,309.80 : x
  2. Step 2: Convert to fraction form
    67,229.60/100,844.46 = 17,309.80/x
  3. Step 3: Cross multiply
    67,229.60x = 100,844.46 × 17,309.80
  4. Step 4: Simplify right side
    67,229.60x = 1,745,597,559.76
  5. Step 5: Solve for x
    x = 1,745,597,559.76/67,229.60
  6. Step 6: Final answer
    x = 25,964.72

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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.