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Finding the Fourth Proportional to 49,369, 68,129.22 and 27,013

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Solution

The fourth proportional to 49,369, 68,129.22 and 27,013 is: 37,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,369 : 68,129.22 = 27,013 : x
  2. Step 2: Convert to fraction form
    49,369/68,129.22 = 27,013/x
  3. Step 3: Cross multiply
    49,369x = 68,129.22 × 27,013
  4. Step 4: Simplify right side
    49,369x = 1,840,374,619.86
  5. Step 5: Solve for x
    x = 1,840,374,619.86/49,369
  6. Step 6: Final answer
    x = 37,277.94

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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.