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Finding the Fourth Proportional to 33,220.53, 49,849.02 and 13,493.79

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Solution

The fourth proportional to 33,220.53, 49,849.02 and 13,493.79 is: 20,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.53 : 49,849.02 = 13,493.79 : x
  2. Step 2: Convert to fraction form
    33,220.53/49,849.02 = 13,493.79/x
  3. Step 3: Cross multiply
    33,220.53x = 49,849.02 × 13,493.79
  4. Step 4: Simplify right side
    33,220.53x = 672,652,207.59
  5. Step 5: Solve for x
    x = 672,652,207.59/33,220.53
  6. Step 6: Final answer
    x = 20,248.09

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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.