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Finding the Fourth Proportional to 6,609.17, 9,910.62 and 3,836.69

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Solution

The fourth proportional to 6,609.17, 9,910.62 and 3,836.69 is: 5,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.17 : 9,910.62 = 3,836.69 : x
  2. Step 2: Convert to fraction form
    6,609.17/9,910.62 = 3,836.69/x
  3. Step 3: Cross multiply
    6,609.17x = 9,910.62 × 3,836.69
  4. Step 4: Simplify right side
    6,609.17x = 38,023,976.65
  5. Step 5: Solve for x
    x = 38,023,976.65/6,609.17
  6. Step 6: Final answer
    x = 5,753.22

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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.