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Finding the Fourth Proportional to 18,544.92, 27,638.96 and 18,249.68

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Solution

The fourth proportional to 18,544.92, 27,638.96 and 18,249.68 is: 27,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.92 : 27,638.96 = 18,249.68 : x
  2. Step 2: Convert to fraction form
    18,544.92/27,638.96 = 18,249.68/x
  3. Step 3: Cross multiply
    18,544.92x = 27,638.96 × 18,249.68
  4. Step 4: Simplify right side
    18,544.92x = 504,402,175.53
  5. Step 5: Solve for x
    x = 504,402,175.53/18,544.92
  6. Step 6: Final answer
    x = 27,198.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.