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Finding the Fourth Proportional to 8,007.93, 12,012.20 and 2,164.54

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Solution

The fourth proportional to 8,007.93, 12,012.20 and 2,164.54 is: 3,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.93 : 12,012.20 = 2,164.54 : x
  2. Step 2: Convert to fraction form
    8,007.93/12,012.20 = 2,164.54/x
  3. Step 3: Cross multiply
    8,007.93x = 12,012.20 × 2,164.54
  4. Step 4: Simplify right side
    8,007.93x = 26,000,876.57
  5. Step 5: Solve for x
    x = 26,000,876.57/8,007.93
  6. Step 6: Final answer
    x = 3,246.89

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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.