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Finding the Fourth Proportional to 27,993.63, 41,991.25 and 7,217.13

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Solution

The fourth proportional to 27,993.63, 41,991.25 and 7,217.13 is: 10,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.63 : 41,991.25 = 7,217.13 : x
  2. Step 2: Convert to fraction form
    27,993.63/41,991.25 = 7,217.13/x
  3. Step 3: Cross multiply
    27,993.63x = 41,991.25 × 7,217.13
  4. Step 4: Simplify right side
    27,993.63x = 303,056,082.11
  5. Step 5: Solve for x
    x = 303,056,082.11/27,993.63
  6. Step 6: Final answer
    x = 10,825.90

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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.