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Finding the Fourth Proportional to 6,616.27, 9,918.15 and 2,230.66

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Solution

The fourth proportional to 6,616.27, 9,918.15 and 2,230.66 is: 3,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.27 : 9,918.15 = 2,230.66 : x
  2. Step 2: Convert to fraction form
    6,616.27/9,918.15 = 2,230.66/x
  3. Step 3: Cross multiply
    6,616.27x = 9,918.15 × 2,230.66
  4. Step 4: Simplify right side
    6,616.27x = 22,124,020.48
  5. Step 5: Solve for x
    x = 22,124,020.48/6,616.27
  6. Step 6: Final answer
    x = 3,343.88

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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.