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Finding the Fourth Proportional to 6,732.81, 10,100.82 and 2,115.81

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Solution

The fourth proportional to 6,732.81, 10,100.82 and 2,115.81 is: 3,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.81 : 10,100.82 = 2,115.81 : x
  2. Step 2: Convert to fraction form
    6,732.81/10,100.82 = 2,115.81/x
  3. Step 3: Cross multiply
    6,732.81x = 10,100.82 × 2,115.81
  4. Step 4: Simplify right side
    6,732.81x = 21,371,415.96
  5. Step 5: Solve for x
    x = 21,371,415.96/6,732.81
  6. Step 6: Final answer
    x = 3,174.22

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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.