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Finding the Fourth Proportional to 50,942.88, 76,375.44 and 19,761.12

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Solution

The fourth proportional to 50,942.88, 76,375.44 and 19,761.12 is: 29,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,942.88 : 76,375.44 = 19,761.12 : x
  2. Step 2: Convert to fraction form
    50,942.88/76,375.44 = 19,761.12/x
  3. Step 3: Cross multiply
    50,942.88x = 76,375.44 × 19,761.12
  4. Step 4: Simplify right side
    50,942.88x = 1,509,264,234.89
  5. Step 5: Solve for x
    x = 1,509,264,234.89/50,942.88
  6. Step 6: Final answer
    x = 29,626.60

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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.