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Finding the Fourth Proportional to 33,805.68, 50,711.26 and 11,619.08

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Solution

The fourth proportional to 33,805.68, 50,711.26 and 11,619.08 is: 17,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,805.68 : 50,711.26 = 11,619.08 : x
  2. Step 2: Convert to fraction form
    33,805.68/50,711.26 = 11,619.08/x
  3. Step 3: Cross multiply
    33,805.68x = 50,711.26 × 11,619.08
  4. Step 4: Simplify right side
    33,805.68x = 589,218,186.84
  5. Step 5: Solve for x
    x = 589,218,186.84/33,805.68
  6. Step 6: Final answer
    x = 17,429.56

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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.