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Finding the Fourth Proportional to 50.69, 76.04 and 16.46

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Solution

The fourth proportional to 50.69, 76.04 and 16.46 is: 24.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.69 : 76.04 = 16.46 : x
  2. Step 2: Convert to fraction form
    50.69/76.04 = 16.46/x
  3. Step 3: Cross multiply
    50.69x = 76.04 × 16.46
  4. Step 4: Simplify right side
    50.69x = 1,251.16
  5. Step 5: Solve for x
    x = 1,251.16/50.69
  6. Step 6: Final answer
    x = 24.68

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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.