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Finding the Fourth Proportional to 63,074.88, 94,584.84 and 18,086.31

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Solution

The fourth proportional to 63,074.88, 94,584.84 and 18,086.31 is: 27,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,074.88 : 94,584.84 = 18,086.31 : x
  2. Step 2: Convert to fraction form
    63,074.88/94,584.84 = 18,086.31/x
  3. Step 3: Cross multiply
    63,074.88x = 94,584.84 × 18,086.31
  4. Step 4: Simplify right side
    63,074.88x = 1,710,690,737.54
  5. Step 5: Solve for x
    x = 1,710,690,737.54/63,074.88
  6. Step 6: Final answer
    x = 27,121.59

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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.