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Finding the Fourth Proportional to 33,901, 50,814.70 and 15,155.21

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Solution

The fourth proportional to 33,901, 50,814.70 and 15,155.21 is: 22,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,901 : 50,814.70 = 15,155.21 : x
  2. Step 2: Convert to fraction form
    33,901/50,814.70 = 15,155.21/x
  3. Step 3: Cross multiply
    33,901x = 50,814.70 × 15,155.21
  4. Step 4: Simplify right side
    33,901x = 770,107,449.59
  5. Step 5: Solve for x
    x = 770,107,449.59/33,901
  6. Step 6: Final answer
    x = 22,716.36

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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.