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Finding the Fourth Proportional to 26,396.46, 39,600.81 and 7,676.94

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Solution

The fourth proportional to 26,396.46, 39,600.81 and 7,676.94 is: 11,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.46 : 39,600.81 = 7,676.94 : x
  2. Step 2: Convert to fraction form
    26,396.46/39,600.81 = 7,676.94/x
  3. Step 3: Cross multiply
    26,396.46x = 39,600.81 × 7,676.94
  4. Step 4: Simplify right side
    26,396.46x = 304,013,042.32
  5. Step 5: Solve for x
    x = 304,013,042.32/26,396.46
  6. Step 6: Final answer
    x = 11,517.19

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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.