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Finding the Fourth Proportional to 8,383.03, 12,576.09 and 2,761.03

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Solution

The fourth proportional to 8,383.03, 12,576.09 and 2,761.03 is: 4,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.03 : 12,576.09 = 2,761.03 : x
  2. Step 2: Convert to fraction form
    8,383.03/12,576.09 = 2,761.03/x
  3. Step 3: Cross multiply
    8,383.03x = 12,576.09 × 2,761.03
  4. Step 4: Simplify right side
    8,383.03x = 34,722,961.77
  5. Step 5: Solve for x
    x = 34,722,961.77/8,383.03
  6. Step 6: Final answer
    x = 4,142.05

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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.