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Finding the Fourth Proportional to 2,997.92, 4,137.15 and 1,671.71

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Solution

The fourth proportional to 2,997.92, 4,137.15 and 1,671.71 is: 2,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.92 : 4,137.15 = 1,671.71 : x
  2. Step 2: Convert to fraction form
    2,997.92/4,137.15 = 1,671.71/x
  3. Step 3: Cross multiply
    2,997.92x = 4,137.15 × 1,671.71
  4. Step 4: Simplify right side
    2,997.92x = 6,916,085.98
  5. Step 5: Solve for x
    x = 6,916,085.98/2,997.92
  6. Step 6: Final answer
    x = 2,306.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.