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Finding the Fourth Proportional to 3,375.92, 4,658.53 and 1,959.65

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Solution

The fourth proportional to 3,375.92, 4,658.53 and 1,959.65 is: 2,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.92 : 4,658.53 = 1,959.65 : x
  2. Step 2: Convert to fraction form
    3,375.92/4,658.53 = 1,959.65/x
  3. Step 3: Cross multiply
    3,375.92x = 4,658.53 × 1,959.65
  4. Step 4: Simplify right side
    3,375.92x = 9,129,088.31
  5. Step 5: Solve for x
    x = 9,129,088.31/3,375.92
  6. Step 6: Final answer
    x = 2,704.18

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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.