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Finding the Fourth Proportional to 18,350.82, 27,543 and 11,344.44

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Solution

The fourth proportional to 18,350.82, 27,543 and 11,344.44 is: 17,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.82 : 27,543 = 11,344.44 : x
  2. Step 2: Convert to fraction form
    18,350.82/27,543 = 11,344.44/x
  3. Step 3: Cross multiply
    18,350.82x = 27,543 × 11,344.44
  4. Step 4: Simplify right side
    18,350.82x = 312,459,910.92
  5. Step 5: Solve for x
    x = 312,459,910.92/18,350.82
  6. Step 6: Final answer
    x = 17,027.03

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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.