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Finding the Fourth Proportional to 6,794.87, 9,375.60 and 4,105.53

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Solution

The fourth proportional to 6,794.87, 9,375.60 and 4,105.53 is: 5,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.87 : 9,375.60 = 4,105.53 : x
  2. Step 2: Convert to fraction form
    6,794.87/9,375.60 = 4,105.53/x
  3. Step 3: Cross multiply
    6,794.87x = 9,375.60 × 4,105.53
  4. Step 4: Simplify right side
    6,794.87x = 38,491,807.07
  5. Step 5: Solve for x
    x = 38,491,807.07/6,794.87
  6. Step 6: Final answer
    x = 5,664.84

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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.