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Finding the Fourth Proportional to 6,375.81, 8,797.26 and 3,722.02

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Solution

The fourth proportional to 6,375.81, 8,797.26 and 3,722.02 is: 5,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.81 : 8,797.26 = 3,722.02 : x
  2. Step 2: Convert to fraction form
    6,375.81/8,797.26 = 3,722.02/x
  3. Step 3: Cross multiply
    6,375.81x = 8,797.26 × 3,722.02
  4. Step 4: Simplify right side
    6,375.81x = 32,743,548.69
  5. Step 5: Solve for x
    x = 32,743,548.69/6,375.81
  6. Step 6: Final answer
    x = 5,135.59

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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.