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Finding the Fourth Proportional to 33,179.84, 49,783.44 and 13,453.44

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Solution

The fourth proportional to 33,179.84, 49,783.44 and 13,453.44 is: 20,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,179.84 : 49,783.44 = 13,453.44 : x
  2. Step 2: Convert to fraction form
    33,179.84/49,783.44 = 13,453.44/x
  3. Step 3: Cross multiply
    33,179.84x = 49,783.44 × 13,453.44
  4. Step 4: Simplify right side
    33,179.84x = 669,758,523.03
  5. Step 5: Solve for x
    x = 669,758,523.03/33,179.84
  6. Step 6: Final answer
    x = 20,185.71

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1.5x scale

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.