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Finding the Fourth Proportional to 8,097.60, 12,148.65 and 3,168.63

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Solution

The fourth proportional to 8,097.60, 12,148.65 and 3,168.63 is: 4,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,097.60 : 12,148.65 = 3,168.63 : x
  2. Step 2: Convert to fraction form
    8,097.60/12,148.65 = 3,168.63/x
  3. Step 3: Cross multiply
    8,097.60x = 12,148.65 × 3,168.63
  4. Step 4: Simplify right side
    8,097.60x = 38,494,576.85
  5. Step 5: Solve for x
    x = 38,494,576.85/8,097.60
  6. Step 6: Final answer
    x = 4,753.83

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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.