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Finding the Fourth Proportional to 33,394.88, 50,111.87 and 12,349.73

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Solution

The fourth proportional to 33,394.88, 50,111.87 and 12,349.73 is: 18,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,394.88 : 50,111.87 = 12,349.73 : x
  2. Step 2: Convert to fraction form
    33,394.88/50,111.87 = 12,349.73/x
  3. Step 3: Cross multiply
    33,394.88x = 50,111.87 × 12,349.73
  4. Step 4: Simplify right side
    33,394.88x = 618,868,127.83
  5. Step 5: Solve for x
    x = 618,868,127.83/33,394.88
  6. Step 6: Final answer
    x = 18,531.83

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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.