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Finding the Fourth Proportional to 8,013.52, 12,019.74 and 3,396.52

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Solution

The fourth proportional to 8,013.52, 12,019.74 and 3,396.52 is: 5,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.52 : 12,019.74 = 3,396.52 : x
  2. Step 2: Convert to fraction form
    8,013.52/12,019.74 = 3,396.52/x
  3. Step 3: Cross multiply
    8,013.52x = 12,019.74 × 3,396.52
  4. Step 4: Simplify right side
    8,013.52x = 40,825,287.30
  5. Step 5: Solve for x
    x = 40,825,287.30/8,013.52
  6. Step 6: Final answer
    x = 5,094.55

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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.