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Finding the Fourth Proportional to 3,959.03, 5,932.65 and 3,608.95

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Solution

The fourth proportional to 3,959.03, 5,932.65 and 3,608.95 is: 5,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.03 : 5,932.65 = 3,608.95 : x
  2. Step 2: Convert to fraction form
    3,959.03/5,932.65 = 3,608.95/x
  3. Step 3: Cross multiply
    3,959.03x = 5,932.65 × 3,608.95
  4. Step 4: Simplify right side
    3,959.03x = 21,410,626.74
  5. Step 5: Solve for x
    x = 21,410,626.74/3,959.03
  6. Step 6: Final answer
    x = 5,408.05

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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.