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Finding the Fourth Proportional to 17,944.55, 26,896.99 and 7,408.76

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Solution

The fourth proportional to 17,944.55, 26,896.99 and 7,408.76 is: 11,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,944.55 : 26,896.99 = 7,408.76 : x
  2. Step 2: Convert to fraction form
    17,944.55/26,896.99 = 7,408.76/x
  3. Step 3: Cross multiply
    17,944.55x = 26,896.99 × 7,408.76
  4. Step 4: Simplify right side
    17,944.55x = 199,273,294.91
  5. Step 5: Solve for x
    x = 199,273,294.91/17,944.55
  6. Step 6: Final answer
    x = 11,104.95

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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.