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Finding the Fourth Proportional to 6,244.97, 8,616.78 and 3,976.97

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Solution

The fourth proportional to 6,244.97, 8,616.78 and 3,976.97 is: 5,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.97 : 8,616.78 = 3,976.97 : x
  2. Step 2: Convert to fraction form
    6,244.97/8,616.78 = 3,976.97/x
  3. Step 3: Cross multiply
    6,244.97x = 8,616.78 × 3,976.97
  4. Step 4: Simplify right side
    6,244.97x = 34,268,632.47
  5. Step 5: Solve for x
    x = 34,268,632.47/6,244.97
  6. Step 6: Final answer
    x = 5,487.40

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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.