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Finding the Fourth Proportional to 11,873.44, 17,811.15 and 3,552.85

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Solution

The fourth proportional to 11,873.44, 17,811.15 and 3,552.85 is: 5,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.44 : 17,811.15 = 3,552.85 : x
  2. Step 2: Convert to fraction form
    11,873.44/17,811.15 = 3,552.85/x
  3. Step 3: Cross multiply
    11,873.44x = 17,811.15 × 3,552.85
  4. Step 4: Simplify right side
    11,873.44x = 63,280,344.28
  5. Step 5: Solve for x
    x = 63,280,344.28/11,873.44
  6. Step 6: Final answer
    x = 5,329.57

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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.