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Finding the Fourth Proportional to 3,967.36, 5,951.85 and 1,334.56

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Solution

The fourth proportional to 3,967.36, 5,951.85 and 1,334.56 is: 2,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.36 : 5,951.85 = 1,334.56 : x
  2. Step 2: Convert to fraction form
    3,967.36/5,951.85 = 1,334.56/x
  3. Step 3: Cross multiply
    3,967.36x = 5,951.85 × 1,334.56
  4. Step 4: Simplify right side
    3,967.36x = 7,943,100.94
  5. Step 5: Solve for x
    x = 7,943,100.94/3,967.36
  6. Step 6: Final answer
    x = 2,002.11

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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.