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Finding the Fourth Proportional to 6,343.68, 8,753.92 and 3,691.52

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Solution

The fourth proportional to 6,343.68, 8,753.92 and 3,691.52 is: 5,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.68 : 8,753.92 = 3,691.52 : x
  2. Step 2: Convert to fraction form
    6,343.68/8,753.92 = 3,691.52/x
  3. Step 3: Cross multiply
    6,343.68x = 8,753.92 × 3,691.52
  4. Step 4: Simplify right side
    6,343.68x = 32,315,270.76
  5. Step 5: Solve for x
    x = 32,315,270.76/6,343.68
  6. Step 6: Final answer
    x = 5,094.09

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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.