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Finding the Fourth Proportional to 76.37, 114.49 and 24.98

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Solution

The fourth proportional to 76.37, 114.49 and 24.98 is: 37.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.37 : 114.49 = 24.98 : x
  2. Step 2: Convert to fraction form
    76.37/114.49 = 24.98/x
  3. Step 3: Cross multiply
    76.37x = 114.49 × 24.98
  4. Step 4: Simplify right side
    76.37x = 2,859.39
  5. Step 5: Solve for x
    x = 2,859.39/76.37
  6. Step 6: Final answer
    x = 37.44

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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.