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Finding the Fourth Proportional to 3,959.11, 5,935.78 and 2,573.83

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Solution

The fourth proportional to 3,959.11, 5,935.78 and 2,573.83 is: 3,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.11 : 5,935.78 = 2,573.83 : x
  2. Step 2: Convert to fraction form
    3,959.11/5,935.78 = 2,573.83/x
  3. Step 3: Cross multiply
    3,959.11x = 5,935.78 × 2,573.83
  4. Step 4: Simplify right side
    3,959.11x = 15,277,646.09
  5. Step 5: Solve for x
    x = 15,277,646.09/3,959.11
  6. Step 6: Final answer
    x = 3,858.86

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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.