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Finding the Fourth Proportional to 3,375.42, 4,655.78 and 2,932.54

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Solution

The fourth proportional to 3,375.42, 4,655.78 and 2,932.54 is: 4,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.42 : 4,655.78 = 2,932.54 : x
  2. Step 2: Convert to fraction form
    3,375.42/4,655.78 = 2,932.54/x
  3. Step 3: Cross multiply
    3,375.42x = 4,655.78 × 2,932.54
  4. Step 4: Simplify right side
    3,375.42x = 13,653,261.08
  5. Step 5: Solve for x
    x = 13,653,261.08/3,375.42
  6. Step 6: Final answer
    x = 4,044.91

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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.