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Finding the Fourth Proportional to 6,682.88, 10,021.44 and 2,576

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Solution

The fourth proportional to 6,682.88, 10,021.44 and 2,576 is: 3,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.88 : 10,021.44 = 2,576 : x
  2. Step 2: Convert to fraction form
    6,682.88/10,021.44 = 2,576/x
  3. Step 3: Cross multiply
    6,682.88x = 10,021.44 × 2,576
  4. Step 4: Simplify right side
    6,682.88x = 25,815,229.44
  5. Step 5: Solve for x
    x = 25,815,229.44/6,682.88
  6. Step 6: Final answer
    x = 3,862.89

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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.