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Finding the Fourth Proportional to 51,996.84, 77,995.26 and 16,936.49

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Solution

The fourth proportional to 51,996.84, 77,995.26 and 16,936.49 is: 25,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,996.84 : 77,995.26 = 16,936.49 : x
  2. Step 2: Convert to fraction form
    51,996.84/77,995.26 = 16,936.49/x
  3. Step 3: Cross multiply
    51,996.84x = 77,995.26 × 16,936.49
  4. Step 4: Simplify right side
    51,996.84x = 1,320,965,856.35
  5. Step 5: Solve for x
    x = 1,320,965,856.35/51,996.84
  6. Step 6: Final answer
    x = 25,404.74

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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.