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Finding the Fourth Proportional to 67.52, 93.04 and 50.24

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Solution

The fourth proportional to 67.52, 93.04 and 50.24 is: 69.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.52 : 93.04 = 50.24 : x
  2. Step 2: Convert to fraction form
    67.52/93.04 = 50.24/x
  3. Step 3: Cross multiply
    67.52x = 93.04 × 50.24
  4. Step 4: Simplify right side
    67.52x = 4,674.33
  5. Step 5: Solve for x
    x = 4,674.33/67.52
  6. Step 6: Final answer
    x = 69.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.