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Finding the Fourth Proportional to 18,082.59, 27,093.64 and 11,834.79

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Solution

The fourth proportional to 18,082.59, 27,093.64 and 11,834.79 is: 17,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.59 : 27,093.64 = 11,834.79 : x
  2. Step 2: Convert to fraction form
    18,082.59/27,093.64 = 11,834.79/x
  3. Step 3: Cross multiply
    18,082.59x = 27,093.64 × 11,834.79
  4. Step 4: Simplify right side
    18,082.59x = 320,647,539.74
  5. Step 5: Solve for x
    x = 320,647,539.74/18,082.59
  6. Step 6: Final answer
    x = 17,732.39

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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.