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Finding the Fourth Proportional to 33,863.84, 50,800.52 and 14,137.91

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Solution

The fourth proportional to 33,863.84, 50,800.52 and 14,137.91 is: 21,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,863.84 : 50,800.52 = 14,137.91 : x
  2. Step 2: Convert to fraction form
    33,863.84/50,800.52 = 14,137.91/x
  3. Step 3: Cross multiply
    33,863.84x = 50,800.52 × 14,137.91
  4. Step 4: Simplify right side
    33,863.84x = 718,212,855.02
  5. Step 5: Solve for x
    x = 718,212,855.02/33,863.84
  6. Step 6: Final answer
    x = 21,208.85

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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.