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Finding the Fourth Proportional to 3,754.50, 5,181.24 and 2,098.50

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Solution

The fourth proportional to 3,754.50, 5,181.24 and 2,098.50 is: 2,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.50 : 5,181.24 = 2,098.50 : x
  2. Step 2: Convert to fraction form
    3,754.50/5,181.24 = 2,098.50/x
  3. Step 3: Cross multiply
    3,754.50x = 5,181.24 × 2,098.50
  4. Step 4: Simplify right side
    3,754.50x = 10,872,832.14
  5. Step 5: Solve for x
    x = 10,872,832.14/3,754.50
  6. Step 6: Final answer
    x = 2,895.95

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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.