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Finding the Fourth Proportional to 50,955.73, 76,375.28 and 19,764.25

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Solution

The fourth proportional to 50,955.73, 76,375.28 and 19,764.25 is: 29,623.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,955.73 : 76,375.28 = 19,764.25 : x
  2. Step 2: Convert to fraction form
    50,955.73/76,375.28 = 19,764.25/x
  3. Step 3: Cross multiply
    50,955.73x = 76,375.28 × 19,764.25
  4. Step 4: Simplify right side
    50,955.73x = 1,509,500,028.92
  5. Step 5: Solve for x
    x = 1,509,500,028.92/50,955.73
  6. Step 6: Final answer
    x = 29,623.75

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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.