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Finding the Fourth Proportional to 50,620.56, 75,951 and 19,447.44

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Solution

The fourth proportional to 50,620.56, 75,951 and 19,447.44 is: 29,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,620.56 : 75,951 = 19,447.44 : x
  2. Step 2: Convert to fraction form
    50,620.56/75,951 = 19,447.44/x
  3. Step 3: Cross multiply
    50,620.56x = 75,951 × 19,447.44
  4. Step 4: Simplify right side
    50,620.56x = 1,477,052,515.44
  5. Step 5: Solve for x
    x = 1,477,052,515.44/50,620.56
  6. Step 6: Final answer
    x = 29,178.91

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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.