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Finding the Fourth Proportional to 8,067.66, 12,103 and 2,802.46

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Solution

The fourth proportional to 8,067.66, 12,103 and 2,802.46 is: 4,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.66 : 12,103 = 2,802.46 : x
  2. Step 2: Convert to fraction form
    8,067.66/12,103 = 2,802.46/x
  3. Step 3: Cross multiply
    8,067.66x = 12,103 × 2,802.46
  4. Step 4: Simplify right side
    8,067.66x = 33,918,173.38
  5. Step 5: Solve for x
    x = 33,918,173.38/8,067.66
  6. Step 6: Final answer
    x = 4,204.21

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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.