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Finding the Fourth Proportional to 6,381.93, 9,576.17 and 2,636.49

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Solution

The fourth proportional to 6,381.93, 9,576.17 and 2,636.49 is: 3,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.93 : 9,576.17 = 2,636.49 : x
  2. Step 2: Convert to fraction form
    6,381.93/9,576.17 = 2,636.49/x
  3. Step 3: Cross multiply
    6,381.93x = 9,576.17 × 2,636.49
  4. Step 4: Simplify right side
    6,381.93x = 25,247,463.26
  5. Step 5: Solve for x
    x = 25,247,463.26/6,381.93
  6. Step 6: Final answer
    x = 3,956.09

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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.