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Finding the Fourth Proportional to 3,107.75, 4,662.08 and 1,027.97

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Solution

The fourth proportional to 3,107.75, 4,662.08 and 1,027.97 is: 1,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.75 : 4,662.08 = 1,027.97 : x
  2. Step 2: Convert to fraction form
    3,107.75/4,662.08 = 1,027.97/x
  3. Step 3: Cross multiply
    3,107.75x = 4,662.08 × 1,027.97
  4. Step 4: Simplify right side
    3,107.75x = 4,792,478.38
  5. Step 5: Solve for x
    x = 4,792,478.38/3,107.75
  6. Step 6: Final answer
    x = 1,542.11

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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.