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Finding the Fourth Proportional to 15,163.20, 22,741.92 and 7,367.04

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Solution

The fourth proportional to 15,163.20, 22,741.92 and 7,367.04 is: 11,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.20 : 22,741.92 = 7,367.04 : x
  2. Step 2: Convert to fraction form
    15,163.20/22,741.92 = 7,367.04/x
  3. Step 3: Cross multiply
    15,163.20x = 22,741.92 × 7,367.04
  4. Step 4: Simplify right side
    15,163.20x = 167,540,634.32
  5. Step 5: Solve for x
    x = 167,540,634.32/15,163.20
  6. Step 6: Final answer
    x = 11,049.16

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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.