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Finding the Fourth Proportional to 10,907.73, 16,363.11 and 5,361.29

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Solution

The fourth proportional to 10,907.73, 16,363.11 and 5,361.29 is: 8,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.73 : 16,363.11 = 5,361.29 : x
  2. Step 2: Convert to fraction form
    10,907.73/16,363.11 = 5,361.29/x
  3. Step 3: Cross multiply
    10,907.73x = 16,363.11 × 5,361.29
  4. Step 4: Simplify right side
    10,907.73x = 87,727,377.66
  5. Step 5: Solve for x
    x = 87,727,377.66/10,907.73
  6. Step 6: Final answer
    x = 8,042.68

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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.