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Finding the Fourth Proportional to 52.24, 77.94 and 50.48

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Solution

The fourth proportional to 52.24, 77.94 and 50.48 is: 75.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.24 : 77.94 = 50.48 : x
  2. Step 2: Convert to fraction form
    52.24/77.94 = 50.48/x
  3. Step 3: Cross multiply
    52.24x = 77.94 × 50.48
  4. Step 4: Simplify right side
    52.24x = 3,934.41
  5. Step 5: Solve for x
    x = 3,934.41/52.24
  6. Step 6: Final answer
    x = 75.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.