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Finding the Fourth Proportional to 6,794.20, 9,375.22 and 3,809.64

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Solution

The fourth proportional to 6,794.20, 9,375.22 and 3,809.64 is: 5,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.20 : 9,375.22 = 3,809.64 : x
  2. Step 2: Convert to fraction form
    6,794.20/9,375.22 = 3,809.64/x
  3. Step 3: Cross multiply
    6,794.20x = 9,375.22 × 3,809.64
  4. Step 4: Simplify right side
    6,794.20x = 35,716,213.12
  5. Step 5: Solve for x
    x = 35,716,213.12/6,794.20
  6. Step 6: Final answer
    x = 5,256.87

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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.