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Finding the Fourth Proportional to 2,033.21, 3,049.61 and 937.28

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Solution

The fourth proportional to 2,033.21, 3,049.61 and 937.28 is: 1,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.21 : 3,049.61 = 937.28 : x
  2. Step 2: Convert to fraction form
    2,033.21/3,049.61 = 937.28/x
  3. Step 3: Cross multiply
    2,033.21x = 3,049.61 × 937.28
  4. Step 4: Simplify right side
    2,033.21x = 2,858,318.53
  5. Step 5: Solve for x
    x = 2,858,318.53/2,033.21
  6. Step 6: Final answer
    x = 1,405.82

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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.