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Finding the Fourth Proportional to 11,395.87, 17,099.94 and 5,552.48

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Solution

The fourth proportional to 11,395.87, 17,099.94 and 5,552.48 is: 8,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.87 : 17,099.94 = 5,552.48 : x
  2. Step 2: Convert to fraction form
    11,395.87/17,099.94 = 5,552.48/x
  3. Step 3: Cross multiply
    11,395.87x = 17,099.94 × 5,552.48
  4. Step 4: Simplify right side
    11,395.87x = 94,947,074.85
  5. Step 5: Solve for x
    x = 94,947,074.85/11,395.87
  6. Step 6: Final answer
    x = 8,331.71

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1.5x scale

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.