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Finding the Fourth Proportional to 4,963.88, 6,850.49 and 2,868

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Solution

The fourth proportional to 4,963.88, 6,850.49 and 2,868 is: 3,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.88 : 6,850.49 = 2,868 : x
  2. Step 2: Convert to fraction form
    4,963.88/6,850.49 = 2,868/x
  3. Step 3: Cross multiply
    4,963.88x = 6,850.49 × 2,868
  4. Step 4: Simplify right side
    4,963.88x = 19,647,205.32
  5. Step 5: Solve for x
    x = 19,647,205.32/4,963.88
  6. Step 6: Final answer
    x = 3,958.03

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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.