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Finding the Fourth Proportional to 8,198.62, 12,295.08 and 5,073.85

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Solution

The fourth proportional to 8,198.62, 12,295.08 and 5,073.85 is: 7,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.62 : 12,295.08 = 5,073.85 : x
  2. Step 2: Convert to fraction form
    8,198.62/12,295.08 = 5,073.85/x
  3. Step 3: Cross multiply
    8,198.62x = 12,295.08 × 5,073.85
  4. Step 4: Simplify right side
    8,198.62x = 62,383,391.66
  5. Step 5: Solve for x
    x = 62,383,391.66/8,198.62
  6. Step 6: Final answer
    x = 7,609.01

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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.