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Finding the Fourth Proportional to 33,801.52, 50,748.28 and 19,020.88

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Solution

The fourth proportional to 33,801.52, 50,748.28 and 19,020.88 is: 28,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,801.52 : 50,748.28 = 19,020.88 : x
  2. Step 2: Convert to fraction form
    33,801.52/50,748.28 = 19,020.88/x
  3. Step 3: Cross multiply
    33,801.52x = 50,748.28 × 19,020.88
  4. Step 4: Simplify right side
    33,801.52x = 965,276,944.09
  5. Step 5: Solve for x
    x = 965,276,944.09/33,801.52
  6. Step 6: Final answer
    x = 28,557.21

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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.