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Finding the Fourth Proportional to 6,243.66, 8,616.24 and 3,449.16

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Solution

The fourth proportional to 6,243.66, 8,616.24 and 3,449.16 is: 4,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.66 : 8,616.24 = 3,449.16 : x
  2. Step 2: Convert to fraction form
    6,243.66/8,616.24 = 3,449.16/x
  3. Step 3: Cross multiply
    6,243.66x = 8,616.24 × 3,449.16
  4. Step 4: Simplify right side
    6,243.66x = 29,718,790.36
  5. Step 5: Solve for x
    x = 29,718,790.36/6,243.66
  6. Step 6: Final answer
    x = 4,759.83

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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.