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Finding the Fourth Proportional to 3,832.11, 5,748.17 and 1,640.66

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Solution

The fourth proportional to 3,832.11, 5,748.17 and 1,640.66 is: 2,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.11 : 5,748.17 = 1,640.66 : x
  2. Step 2: Convert to fraction form
    3,832.11/5,748.17 = 1,640.66/x
  3. Step 3: Cross multiply
    3,832.11x = 5,748.17 × 1,640.66
  4. Step 4: Simplify right side
    3,832.11x = 9,430,755.65
  5. Step 5: Solve for x
    x = 9,430,755.65/3,832.11
  6. Step 6: Final answer
    x = 2,460.98

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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.