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Finding the Fourth Proportional to 15,134.42, 22,694.62 and 8,375.46

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Solution

The fourth proportional to 15,134.42, 22,694.62 and 8,375.46 is: 12,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.42 : 22,694.62 = 8,375.46 : x
  2. Step 2: Convert to fraction form
    15,134.42/22,694.62 = 8,375.46/x
  3. Step 3: Cross multiply
    15,134.42x = 22,694.62 × 8,375.46
  4. Step 4: Simplify right side
    15,134.42x = 190,077,882.03
  5. Step 5: Solve for x
    x = 190,077,882.03/15,134.42
  6. Step 6: Final answer
    x = 12,559.31

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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.