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Finding the Fourth Proportional to 6,679.04, 9,217.44 and 3,694.86

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Solution

The fourth proportional to 6,679.04, 9,217.44 and 3,694.86 is: 5,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.04 : 9,217.44 = 3,694.86 : x
  2. Step 2: Convert to fraction form
    6,679.04/9,217.44 = 3,694.86/x
  3. Step 3: Cross multiply
    6,679.04x = 9,217.44 × 3,694.86
  4. Step 4: Simplify right side
    6,679.04x = 34,057,150.36
  5. Step 5: Solve for x
    x = 34,057,150.36/6,679.04
  6. Step 6: Final answer
    x = 5,099.11

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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.