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Finding the Fourth Proportional to 8,000.82, 12,001.23 and 6,629.94

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Solution

The fourth proportional to 8,000.82, 12,001.23 and 6,629.94 is: 9,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.82 : 12,001.23 = 6,629.94 : x
  2. Step 2: Convert to fraction form
    8,000.82/12,001.23 = 6,629.94/x
  3. Step 3: Cross multiply
    8,000.82x = 12,001.23 × 6,629.94
  4. Step 4: Simplify right side
    8,000.82x = 79,567,434.83
  5. Step 5: Solve for x
    x = 79,567,434.83/8,000.82
  6. Step 6: Final answer
    x = 9,944.91

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Similar ratio
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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.