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Finding the Fourth Proportional to 8,047.54, 12,067.89 and 3,667.78

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Solution

The fourth proportional to 8,047.54, 12,067.89 and 3,667.78 is: 5,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.54 : 12,067.89 = 3,667.78 : x
  2. Step 2: Convert to fraction form
    8,047.54/12,067.89 = 3,667.78/x
  3. Step 3: Cross multiply
    8,047.54x = 12,067.89 × 3,667.78
  4. Step 4: Simplify right side
    8,047.54x = 44,262,365.58
  5. Step 5: Solve for x
    x = 44,262,365.58/8,047.54
  6. Step 6: Final answer
    x = 5,500.11

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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.