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Finding the Fourth Proportional to 4,640.41, 6,952.49 and 3,865.38

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Solution

The fourth proportional to 4,640.41, 6,952.49 and 3,865.38 is: 5,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.41 : 6,952.49 = 3,865.38 : x
  2. Step 2: Convert to fraction form
    4,640.41/6,952.49 = 3,865.38/x
  3. Step 3: Cross multiply
    4,640.41x = 6,952.49 × 3,865.38
  4. Step 4: Simplify right side
    4,640.41x = 26,874,015.80
  5. Step 5: Solve for x
    x = 26,874,015.80/4,640.41
  6. Step 6: Final answer
    x = 5,791.30

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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.