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Finding the Fourth Proportional to 67,241.32, 100,838.23 and 19,843.73

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Solution

The fourth proportional to 67,241.32, 100,838.23 and 19,843.73 is: 29,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,241.32 : 100,838.23 = 19,843.73 : x
  2. Step 2: Convert to fraction form
    67,241.32/100,838.23 = 19,843.73/x
  3. Step 3: Cross multiply
    67,241.32x = 100,838.23 × 19,843.73
  4. Step 4: Simplify right side
    67,241.32x = 2,001,007,112.98
  5. Step 5: Solve for x
    x = 2,001,007,112.98/67,241.32
  6. Step 6: Final answer
    x = 29,758.59

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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.