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Finding the Fourth Proportional to 19,375.31, 29,063.24 and 5,524.31

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Solution

The fourth proportional to 19,375.31, 29,063.24 and 5,524.31 is: 8,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.31 : 29,063.24 = 5,524.31 : x
  2. Step 2: Convert to fraction form
    19,375.31/29,063.24 = 5,524.31/x
  3. Step 3: Cross multiply
    19,375.31x = 29,063.24 × 5,524.31
  4. Step 4: Simplify right side
    19,375.31x = 160,554,413.12
  5. Step 5: Solve for x
    x = 160,554,413.12/19,375.31
  6. Step 6: Final answer
    x = 8,286.55

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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.