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Finding the Fourth Proportional to 3,371.47, 5,054.08 and 1,724.39

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Solution

The fourth proportional to 3,371.47, 5,054.08 and 1,724.39 is: 2,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.47 : 5,054.08 = 1,724.39 : x
  2. Step 2: Convert to fraction form
    3,371.47/5,054.08 = 1,724.39/x
  3. Step 3: Cross multiply
    3,371.47x = 5,054.08 × 1,724.39
  4. Step 4: Simplify right side
    3,371.47x = 8,715,205.01
  5. Step 5: Solve for x
    x = 8,715,205.01/3,371.47
  6. Step 6: Final answer
    x = 2,584.99

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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.