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Finding the Fourth Proportional to 67,082.68, 100,627.46 and 17,163.20

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Solution

The fourth proportional to 67,082.68, 100,627.46 and 17,163.20 is: 25,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,082.68 : 100,627.46 = 17,163.20 : x
  2. Step 2: Convert to fraction form
    67,082.68/100,627.46 = 17,163.20/x
  3. Step 3: Cross multiply
    67,082.68x = 100,627.46 × 17,163.20
  4. Step 4: Simplify right side
    67,082.68x = 1,727,089,135.66
  5. Step 5: Solve for x
    x = 1,727,089,135.66/67,082.68
  6. Step 6: Final answer
    x = 25,745.68

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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.