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Finding the Fourth Proportional to 8,866.80, 12,222.28 and 6,067.44

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Solution

The fourth proportional to 8,866.80, 12,222.28 and 6,067.44 is: 8,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.80 : 12,222.28 = 6,067.44 : x
  2. Step 2: Convert to fraction form
    8,866.80/12,222.28 = 6,067.44/x
  3. Step 3: Cross multiply
    8,866.80x = 12,222.28 × 6,067.44
  4. Step 4: Simplify right side
    8,866.80x = 74,157,950.56
  5. Step 5: Solve for x
    x = 74,157,950.56/8,866.80
  6. Step 6: Final answer
    x = 8,363.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.