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Finding the Fourth Proportional to 52.48, 79.09 and 50.41

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Solution

The fourth proportional to 52.48, 79.09 and 50.41 is: 75.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.48 : 79.09 = 50.41 : x
  2. Step 2: Convert to fraction form
    52.48/79.09 = 50.41/x
  3. Step 3: Cross multiply
    52.48x = 79.09 × 50.41
  4. Step 4: Simplify right side
    52.48x = 3,986.93
  5. Step 5: Solve for x
    x = 3,986.93/52.48
  6. Step 6: Final answer
    x = 75.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.