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Finding the Fourth Proportional to 50,620, 75,863.28 and 44,014.72

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Solution

The fourth proportional to 50,620, 75,863.28 and 44,014.72 is: 65,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,620 : 75,863.28 = 44,014.72 : x
  2. Step 2: Convert to fraction form
    50,620/75,863.28 = 44,014.72/x
  3. Step 3: Cross multiply
    50,620x = 75,863.28 × 44,014.72
  4. Step 4: Simplify right side
    50,620x = 3,339,101,027.48
  5. Step 5: Solve for x
    x = 3,339,101,027.48/50,620
  6. Step 6: Final answer
    x = 65,964.07

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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.