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Finding the Fourth Proportional to 11,641.97, 17,463.11 and 3,850.79

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Solution

The fourth proportional to 11,641.97, 17,463.11 and 3,850.79 is: 5,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.97 : 17,463.11 = 3,850.79 : x
  2. Step 2: Convert to fraction form
    11,641.97/17,463.11 = 3,850.79/x
  3. Step 3: Cross multiply
    11,641.97x = 17,463.11 × 3,850.79
  4. Step 4: Simplify right side
    11,641.97x = 67,246,662.79
  5. Step 5: Solve for x
    x = 67,246,662.79/11,641.97
  6. Step 6: Final answer
    x = 5,776.23

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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.