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Finding the Fourth Proportional to 6,484.26, 8,949.88 and 3,691.38

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Solution

The fourth proportional to 6,484.26, 8,949.88 and 3,691.38 is: 5,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.26 : 8,949.88 = 3,691.38 : x
  2. Step 2: Convert to fraction form
    6,484.26/8,949.88 = 3,691.38/x
  3. Step 3: Cross multiply
    6,484.26x = 8,949.88 × 3,691.38
  4. Step 4: Simplify right side
    6,484.26x = 33,037,408.03
  5. Step 5: Solve for x
    x = 33,037,408.03/6,484.26
  6. Step 6: Final answer
    x = 5,095.02

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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.