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Finding the Fourth Proportional to 6,704.64, 9,253.52 and 3,721.44

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Solution

The fourth proportional to 6,704.64, 9,253.52 and 3,721.44 is: 5,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.64 : 9,253.52 = 3,721.44 : x
  2. Step 2: Convert to fraction form
    6,704.64/9,253.52 = 3,721.44/x
  3. Step 3: Cross multiply
    6,704.64x = 9,253.52 × 3,721.44
  4. Step 4: Simplify right side
    6,704.64x = 34,436,400.86
  5. Step 5: Solve for x
    x = 34,436,400.86/6,704.64
  6. Step 6: Final answer
    x = 5,136.20

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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.