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Finding the Fourth Proportional to 2,697.82, 4,046.74 and 849.08

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Solution

The fourth proportional to 2,697.82, 4,046.74 and 849.08 is: 1,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.82 : 4,046.74 = 849.08 : x
  2. Step 2: Convert to fraction form
    2,697.82/4,046.74 = 849.08/x
  3. Step 3: Cross multiply
    2,697.82x = 4,046.74 × 849.08
  4. Step 4: Simplify right side
    2,697.82x = 3,436,006.00
  5. Step 5: Solve for x
    x = 3,436,006.00/2,697.82
  6. Step 6: Final answer
    x = 1,273.62

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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.