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Finding the Fourth Proportional to 6,655.92, 9,983.97 and 3,195.60

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Solution

The fourth proportional to 6,655.92, 9,983.97 and 3,195.60 is: 4,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.92 : 9,983.97 = 3,195.60 : x
  2. Step 2: Convert to fraction form
    6,655.92/9,983.97 = 3,195.60/x
  3. Step 3: Cross multiply
    6,655.92x = 9,983.97 × 3,195.60
  4. Step 4: Simplify right side
    6,655.92x = 31,904,774.53
  5. Step 5: Solve for x
    x = 31,904,774.53/6,655.92
  6. Step 6: Final answer
    x = 4,793.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.