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Finding the Fourth Proportional to 3,753.95, 5,629.50 and 1,671.91

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Solution

The fourth proportional to 3,753.95, 5,629.50 and 1,671.91 is: 2,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.95 : 5,629.50 = 1,671.91 : x
  2. Step 2: Convert to fraction form
    3,753.95/5,629.50 = 1,671.91/x
  3. Step 3: Cross multiply
    3,753.95x = 5,629.50 × 1,671.91
  4. Step 4: Simplify right side
    3,753.95x = 9,412,003.27
  5. Step 5: Solve for x
    x = 9,412,003.27/3,753.95
  6. Step 6: Final answer
    x = 2,507.23

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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.