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Finding the Fourth Proportional to 3,425.58, 4,729.08 and 2,375.82

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Solution

The fourth proportional to 3,425.58, 4,729.08 and 2,375.82 is: 3,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.58 : 4,729.08 = 2,375.82 : x
  2. Step 2: Convert to fraction form
    3,425.58/4,729.08 = 2,375.82/x
  3. Step 3: Cross multiply
    3,425.58x = 4,729.08 × 2,375.82
  4. Step 4: Simplify right side
    3,425.58x = 11,235,442.85
  5. Step 5: Solve for x
    x = 11,235,442.85/3,425.58
  6. Step 6: Final answer
    x = 3,279.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.