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Finding the Fourth Proportional to 5,067.78, 6,993.85 and 2,829.65

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Solution

The fourth proportional to 5,067.78, 6,993.85 and 2,829.65 is: 3,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.78 : 6,993.85 = 2,829.65 : x
  2. Step 2: Convert to fraction form
    5,067.78/6,993.85 = 2,829.65/x
  3. Step 3: Cross multiply
    5,067.78x = 6,993.85 × 2,829.65
  4. Step 4: Simplify right side
    5,067.78x = 19,790,158.06
  5. Step 5: Solve for x
    x = 19,790,158.06/5,067.78
  6. Step 6: Final answer
    x = 3,905.09

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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.