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Finding the Fourth Proportional to 67.01, 92.42 and 52.24

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Solution

The fourth proportional to 67.01, 92.42 and 52.24 is: 72.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.01 : 92.42 = 52.24 : x
  2. Step 2: Convert to fraction form
    67.01/92.42 = 52.24/x
  3. Step 3: Cross multiply
    67.01x = 92.42 × 52.24
  4. Step 4: Simplify right side
    67.01x = 4,828.02
  5. Step 5: Solve for x
    x = 4,828.02/67.01
  6. Step 6: Final answer
    x = 72.05

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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.