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Finding the Fourth Proportional to 8,053.62, 12,079.14 and 2,208.87

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Solution

The fourth proportional to 8,053.62, 12,079.14 and 2,208.87 is: 3,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.62 : 12,079.14 = 2,208.87 : x
  2. Step 2: Convert to fraction form
    8,053.62/12,079.14 = 2,208.87/x
  3. Step 3: Cross multiply
    8,053.62x = 12,079.14 × 2,208.87
  4. Step 4: Simplify right side
    8,053.62x = 26,681,249.97
  5. Step 5: Solve for x
    x = 26,681,249.97/8,053.62
  6. Step 6: Final answer
    x = 3,312.95

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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.