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Finding the Fourth Proportional to 6,704.88, 9,252.64 and 3,720.84

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Solution

The fourth proportional to 6,704.88, 9,252.64 and 3,720.84 is: 5,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.88 : 9,252.64 = 3,720.84 : x
  2. Step 2: Convert to fraction form
    6,704.88/9,252.64 = 3,720.84/x
  3. Step 3: Cross multiply
    6,704.88x = 9,252.64 × 3,720.84
  4. Step 4: Simplify right side
    6,704.88x = 34,427,593.02
  5. Step 5: Solve for x
    x = 34,427,593.02/6,704.88
  6. Step 6: Final answer
    x = 5,134.71

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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.