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Finding the Fourth Proportional to 75.74, 113.62 and 24.37

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Solution

The fourth proportional to 75.74, 113.62 and 24.37 is: 36.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.74 : 113.62 = 24.37 : x
  2. Step 2: Convert to fraction form
    75.74/113.62 = 24.37/x
  3. Step 3: Cross multiply
    75.74x = 113.62 × 24.37
  4. Step 4: Simplify right side
    75.74x = 2,768.92
  5. Step 5: Solve for x
    x = 2,768.92/75.74
  6. Step 6: Final answer
    x = 36.56

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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.