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Finding the Fourth Proportional to 18,064.26, 27,093.66 and 4,917.66

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Solution

The fourth proportional to 18,064.26, 27,093.66 and 4,917.66 is: 7,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.26 : 27,093.66 = 4,917.66 : x
  2. Step 2: Convert to fraction form
    18,064.26/27,093.66 = 4,917.66/x
  3. Step 3: Cross multiply
    18,064.26x = 27,093.66 × 4,917.66
  4. Step 4: Simplify right side
    18,064.26x = 133,237,408.04
  5. Step 5: Solve for x
    x = 133,237,408.04/18,064.26
  6. Step 6: Final answer
    x = 7,375.75

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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.