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Finding the Fourth Proportional to 8,441.62, 12,662.58 and 2,201.25

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Solution

The fourth proportional to 8,441.62, 12,662.58 and 2,201.25 is: 3,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.62 : 12,662.58 = 2,201.25 : x
  2. Step 2: Convert to fraction form
    8,441.62/12,662.58 = 2,201.25/x
  3. Step 3: Cross multiply
    8,441.62x = 12,662.58 × 2,201.25
  4. Step 4: Simplify right side
    8,441.62x = 27,873,511.97
  5. Step 5: Solve for x
    x = 27,873,511.97/8,441.62
  6. Step 6: Final answer
    x = 3,301.92

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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.