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Finding the Fourth Proportional to 23,163.68, 34,738.68 and 10,012.88

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Solution

The fourth proportional to 23,163.68, 34,738.68 and 10,012.88 is: 15,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.68 : 34,738.68 = 10,012.88 : x
  2. Step 2: Convert to fraction form
    23,163.68/34,738.68 = 10,012.88/x
  3. Step 3: Cross multiply
    23,163.68x = 34,738.68 × 10,012.88
  4. Step 4: Simplify right side
    23,163.68x = 347,834,234.20
  5. Step 5: Solve for x
    x = 347,834,234.20/23,163.68
  6. Step 6: Final answer
    x = 15,016.36

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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.