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Finding the Fourth Proportional to 49,529, 68,351.22 and 27,173

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Solution

The fourth proportional to 49,529, 68,351.22 and 27,173 is: 37,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,529 : 68,351.22 = 27,173 : x
  2. Step 2: Convert to fraction form
    49,529/68,351.22 = 27,173/x
  3. Step 3: Cross multiply
    49,529x = 68,351.22 × 27,173
  4. Step 4: Simplify right side
    49,529x = 1,857,307,701.06
  5. Step 5: Solve for x
    x = 1,857,307,701.06/49,529
  6. Step 6: Final answer
    x = 37,499.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.