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Finding the Fourth Proportional to 49,713, 68,603.94 and 27,357

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Solution

The fourth proportional to 49,713, 68,603.94 and 27,357 is: 37,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,713 : 68,603.94 = 27,357 : x
  2. Step 2: Convert to fraction form
    49,713/68,603.94 = 27,357/x
  3. Step 3: Cross multiply
    49,713x = 68,603.94 × 27,357
  4. Step 4: Simplify right side
    49,713x = 1,876,797,986.58
  5. Step 5: Solve for x
    x = 1,876,797,986.58/49,713
  6. Step 6: Final answer
    x = 37,752.66

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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.