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Finding the Fourth Proportional to 6,375.09, 8,794.60 and 4,251.61

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Solution

The fourth proportional to 6,375.09, 8,794.60 and 4,251.61 is: 5,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.09 : 8,794.60 = 4,251.61 : x
  2. Step 2: Convert to fraction form
    6,375.09/8,794.60 = 4,251.61/x
  3. Step 3: Cross multiply
    6,375.09x = 8,794.60 × 4,251.61
  4. Step 4: Simplify right side
    6,375.09x = 37,391,209.31
  5. Step 5: Solve for x
    x = 37,391,209.31/6,375.09
  6. Step 6: Final answer
    x = 5,865.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.