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Finding the Fourth Proportional to 18,249.98, 27,371.66 and 5,099.09

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Solution

The fourth proportional to 18,249.98, 27,371.66 and 5,099.09 is: 7,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.98 : 27,371.66 = 5,099.09 : x
  2. Step 2: Convert to fraction form
    18,249.98/27,371.66 = 5,099.09/x
  3. Step 3: Cross multiply
    18,249.98x = 27,371.66 × 5,099.09
  4. Step 4: Simplify right side
    18,249.98x = 139,570,395.44
  5. Step 5: Solve for x
    x = 139,570,395.44/18,249.98
  6. Step 6: Final answer
    x = 7,647.70

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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.