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Finding the Fourth Proportional to 50,963.58, 76,449.15 and 15,903

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Solution

The fourth proportional to 50,963.58, 76,449.15 and 15,903 is: 23,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,963.58 : 76,449.15 = 15,903 : x
  2. Step 2: Convert to fraction form
    50,963.58/76,449.15 = 15,903/x
  3. Step 3: Cross multiply
    50,963.58x = 76,449.15 × 15,903
  4. Step 4: Simplify right side
    50,963.58x = 1,215,770,832.45
  5. Step 5: Solve for x
    x = 1,215,770,832.45/50,963.58
  6. Step 6: Final answer
    x = 23,855.68

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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.