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Finding the Fourth Proportional to 67,375.65, 101,063.78 and 17,452.20

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Solution

The fourth proportional to 67,375.65, 101,063.78 and 17,452.20 is: 26,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,375.65 : 101,063.78 = 17,452.20 : x
  2. Step 2: Convert to fraction form
    67,375.65/101,063.78 = 17,452.20/x
  3. Step 3: Cross multiply
    67,375.65x = 101,063.78 × 17,452.20
  4. Step 4: Simplify right side
    67,375.65x = 1,763,785,214.06
  5. Step 5: Solve for x
    x = 1,763,785,214.06/67,375.65
  6. Step 6: Final answer
    x = 26,178.38

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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.