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Finding the Fourth Proportional to 8,375.91, 12,576.20 and 4,685.37

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Solution

The fourth proportional to 8,375.91, 12,576.20 and 4,685.37 is: 7,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.91 : 12,576.20 = 4,685.37 : x
  2. Step 2: Convert to fraction form
    8,375.91/12,576.20 = 4,685.37/x
  3. Step 3: Cross multiply
    8,375.91x = 12,576.20 × 4,685.37
  4. Step 4: Simplify right side
    8,375.91x = 58,924,126.77
  5. Step 5: Solve for x
    x = 58,924,126.77/8,375.91
  6. Step 6: Final answer
    x = 7,034.95

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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.