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Finding the Fourth Proportional to 3,924.78, 5,884.29 and 1,843.71

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Solution

The fourth proportional to 3,924.78, 5,884.29 and 1,843.71 is: 2,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.78 : 5,884.29 = 1,843.71 : x
  2. Step 2: Convert to fraction form
    3,924.78/5,884.29 = 1,843.71/x
  3. Step 3: Cross multiply
    3,924.78x = 5,884.29 × 1,843.71
  4. Step 4: Simplify right side
    3,924.78x = 10,848,924.32
  5. Step 5: Solve for x
    x = 10,848,924.32/3,924.78
  6. Step 6: Final answer
    x = 2,764.21

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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.