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Finding the Fourth Proportional to 2,644.61, 3,954.77 and 1,943.97

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Solution

The fourth proportional to 2,644.61, 3,954.77 and 1,943.97 is: 2,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.61 : 3,954.77 = 1,943.97 : x
  2. Step 2: Convert to fraction form
    2,644.61/3,954.77 = 1,943.97/x
  3. Step 3: Cross multiply
    2,644.61x = 3,954.77 × 1,943.97
  4. Step 4: Simplify right side
    2,644.61x = 7,687,944.52
  5. Step 5: Solve for x
    x = 7,687,944.52/2,644.61
  6. Step 6: Final answer
    x = 2,907.03

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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.