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Finding the Fourth Proportional to 8,873.44, 12,251.04 and 5,520.82

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Solution

The fourth proportional to 8,873.44, 12,251.04 and 5,520.82 is: 7,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.44 : 12,251.04 = 5,520.82 : x
  2. Step 2: Convert to fraction form
    8,873.44/12,251.04 = 5,520.82/x
  3. Step 3: Cross multiply
    8,873.44x = 12,251.04 × 5,520.82
  4. Step 4: Simplify right side
    8,873.44x = 67,635,786.65
  5. Step 5: Solve for x
    x = 67,635,786.65/8,873.44
  6. Step 6: Final answer
    x = 7,622.27

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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.