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Finding the Fourth Proportional to 18,495.75, 27,743.64 and 6,183.75

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Solution

The fourth proportional to 18,495.75, 27,743.64 and 6,183.75 is: 9,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.75 : 27,743.64 = 6,183.75 : x
  2. Step 2: Convert to fraction form
    18,495.75/27,743.64 = 6,183.75/x
  3. Step 3: Cross multiply
    18,495.75x = 27,743.64 × 6,183.75
  4. Step 4: Simplify right side
    18,495.75x = 171,559,733.85
  5. Step 5: Solve for x
    x = 171,559,733.85/18,495.75
  6. Step 6: Final answer
    x = 9,275.63

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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.