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Finding the Fourth Proportional to 2,671.99, 3,687.28 and 1,493.17

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Solution

The fourth proportional to 2,671.99, 3,687.28 and 1,493.17 is: 2,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.99 : 3,687.28 = 1,493.17 : x
  2. Step 2: Convert to fraction form
    2,671.99/3,687.28 = 1,493.17/x
  3. Step 3: Cross multiply
    2,671.99x = 3,687.28 × 1,493.17
  4. Step 4: Simplify right side
    2,671.99x = 5,505,735.88
  5. Step 5: Solve for x
    x = 5,505,735.88/2,671.99
  6. Step 6: Final answer
    x = 2,060.54

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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.