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Finding the Fourth Proportional to 3,941.54, 5,908.66 and 1,342.66

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Solution

The fourth proportional to 3,941.54, 5,908.66 and 1,342.66 is: 2,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.54 : 5,908.66 = 1,342.66 : x
  2. Step 2: Convert to fraction form
    3,941.54/5,908.66 = 1,342.66/x
  3. Step 3: Cross multiply
    3,941.54x = 5,908.66 × 1,342.66
  4. Step 4: Simplify right side
    3,941.54x = 7,933,321.44
  5. Step 5: Solve for x
    x = 7,933,321.44/3,941.54
  6. Step 6: Final answer
    x = 2,012.75

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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.