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Finding the Fourth Proportional to 33,892.68, 50,805.17 and 11,691.89

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Solution

The fourth proportional to 33,892.68, 50,805.17 and 11,691.89 is: 17,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,892.68 : 50,805.17 = 11,691.89 : x
  2. Step 2: Convert to fraction form
    33,892.68/50,805.17 = 11,691.89/x
  3. Step 3: Cross multiply
    33,892.68x = 50,805.17 × 11,691.89
  4. Step 4: Simplify right side
    33,892.68x = 594,008,459.07
  5. Step 5: Solve for x
    x = 594,008,459.07/33,892.68
  6. Step 6: Final answer
    x = 17,526.16

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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.