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Finding the Fourth Proportional to 2,886.82, 4,324.21 and 2,679.27

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Solution

The fourth proportional to 2,886.82, 4,324.21 and 2,679.27 is: 4,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.82 : 4,324.21 = 2,679.27 : x
  2. Step 2: Convert to fraction form
    2,886.82/4,324.21 = 2,679.27/x
  3. Step 3: Cross multiply
    2,886.82x = 4,324.21 × 2,679.27
  4. Step 4: Simplify right side
    2,886.82x = 11,585,726.13
  5. Step 5: Solve for x
    x = 11,585,726.13/2,886.82
  6. Step 6: Final answer
    x = 4,013.32

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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.