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Finding the Fourth Proportional to 27,996.21, 41,993.82 and 6,936.21

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Solution

The fourth proportional to 27,996.21, 41,993.82 and 6,936.21 is: 10,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.21 : 41,993.82 = 6,936.21 : x
  2. Step 2: Convert to fraction form
    27,996.21/41,993.82 = 6,936.21/x
  3. Step 3: Cross multiply
    27,996.21x = 41,993.82 × 6,936.21
  4. Step 4: Simplify right side
    27,996.21x = 291,277,954.22
  5. Step 5: Solve for x
    x = 291,277,954.22/27,996.21
  6. Step 6: Final answer
    x = 10,404.19

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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.