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Finding the Fourth Proportional to 33,894.64, 50,791.97 and 18,881.07

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Solution

The fourth proportional to 33,894.64, 50,791.97 and 18,881.07 is: 28,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894.64 : 50,791.97 = 18,881.07 : x
  2. Step 2: Convert to fraction form
    33,894.64/50,791.97 = 18,881.07/x
  3. Step 3: Cross multiply
    33,894.64x = 50,791.97 × 18,881.07
  4. Step 4: Simplify right side
    33,894.64x = 959,006,741.01
  5. Step 5: Solve for x
    x = 959,006,741.01/33,894.64
  6. Step 6: Final answer
    x = 28,293.76

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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.