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Finding the Fourth Proportional to 33,751.84, 50,631.80 and 14,043.72

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Solution

The fourth proportional to 33,751.84, 50,631.80 and 14,043.72 is: 21,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,751.84 : 50,631.80 = 14,043.72 : x
  2. Step 2: Convert to fraction form
    33,751.84/50,631.80 = 14,043.72/x
  3. Step 3: Cross multiply
    33,751.84x = 50,631.80 × 14,043.72
  4. Step 4: Simplify right side
    33,751.84x = 711,058,822.30
  5. Step 5: Solve for x
    x = 711,058,822.30/33,751.84
  6. Step 6: Final answer
    x = 21,067.26

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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.