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Finding the Fourth Proportional to 6,636.79, 9,948.96 and 2,251.15

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Solution

The fourth proportional to 6,636.79, 9,948.96 and 2,251.15 is: 3,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.79 : 9,948.96 = 2,251.15 : x
  2. Step 2: Convert to fraction form
    6,636.79/9,948.96 = 2,251.15/x
  3. Step 3: Cross multiply
    6,636.79x = 9,948.96 × 2,251.15
  4. Step 4: Simplify right side
    6,636.79x = 22,396,601.30
  5. Step 5: Solve for x
    x = 22,396,601.30/6,636.79
  6. Step 6: Final answer
    x = 3,374.61

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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.