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Finding the Fourth Proportional to 3,525.42, 5,294.13 and 2,939.82

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Solution

The fourth proportional to 3,525.42, 5,294.13 and 2,939.82 is: 4,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.42 : 5,294.13 = 2,939.82 : x
  2. Step 2: Convert to fraction form
    3,525.42/5,294.13 = 2,939.82/x
  3. Step 3: Cross multiply
    3,525.42x = 5,294.13 × 2,939.82
  4. Step 4: Simplify right side
    3,525.42x = 15,563,789.26
  5. Step 5: Solve for x
    x = 15,563,789.26/3,525.42
  6. Step 6: Final answer
    x = 4,414.73

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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.