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Finding the Fourth Proportional to 6,745.53, 9,308.73 and 3,761.55

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Solution

The fourth proportional to 6,745.53, 9,308.73 and 3,761.55 is: 5,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.53 : 9,308.73 = 3,761.55 : x
  2. Step 2: Convert to fraction form
    6,745.53/9,308.73 = 3,761.55/x
  3. Step 3: Cross multiply
    6,745.53x = 9,308.73 × 3,761.55
  4. Step 4: Simplify right side
    6,745.53x = 35,015,253.33
  5. Step 5: Solve for x
    x = 35,015,253.33/6,745.53
  6. Step 6: Final answer
    x = 5,190.88

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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.