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Finding the Fourth Proportional to 3,954.12, 5,934.72 and 2,007.72

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Solution

The fourth proportional to 3,954.12, 5,934.72 and 2,007.72 is: 3,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.12 : 5,934.72 = 2,007.72 : x
  2. Step 2: Convert to fraction form
    3,954.12/5,934.72 = 2,007.72/x
  3. Step 3: Cross multiply
    3,954.12x = 5,934.72 × 2,007.72
  4. Step 4: Simplify right side
    3,954.12x = 11,915,256.04
  5. Step 5: Solve for x
    x = 11,915,256.04/3,954.12
  6. Step 6: Final answer
    x = 3,013.38

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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.