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Finding the Fourth Proportional to 8,366.44, 12,551.58 and 2,819.65

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Solution

The fourth proportional to 8,366.44, 12,551.58 and 2,819.65 is: 4,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.44 : 12,551.58 = 2,819.65 : x
  2. Step 2: Convert to fraction form
    8,366.44/12,551.58 = 2,819.65/x
  3. Step 3: Cross multiply
    8,366.44x = 12,551.58 × 2,819.65
  4. Step 4: Simplify right side
    8,366.44x = 35,391,062.55
  5. Step 5: Solve for x
    x = 35,391,062.55/8,366.44
  6. Step 6: Final answer
    x = 4,230.12

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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.