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Finding the Fourth Proportional to 8,843.11, 13,265.53 and 3,222.31

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Solution

The fourth proportional to 8,843.11, 13,265.53 and 3,222.31 is: 4,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.11 : 13,265.53 = 3,222.31 : x
  2. Step 2: Convert to fraction form
    8,843.11/13,265.53 = 3,222.31/x
  3. Step 3: Cross multiply
    8,843.11x = 13,265.53 × 3,222.31
  4. Step 4: Simplify right side
    8,843.11x = 42,745,649.97
  5. Step 5: Solve for x
    x = 42,745,649.97/8,843.11
  6. Step 6: Final answer
    x = 4,833.78

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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.