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Finding the Fourth Proportional to 75.93, 113.96 and 62.49

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Solution

The fourth proportional to 75.93, 113.96 and 62.49 is: 93.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.93 : 113.96 = 62.49 : x
  2. Step 2: Convert to fraction form
    75.93/113.96 = 62.49/x
  3. Step 3: Cross multiply
    75.93x = 113.96 × 62.49
  4. Step 4: Simplify right side
    75.93x = 7,121.05
  5. Step 5: Solve for x
    x = 7,121.05/75.93
  6. Step 6: Final answer
    x = 93.78

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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.