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Finding the Fourth Proportional to 67.53, 93.17 and 41.67

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Solution

The fourth proportional to 67.53, 93.17 and 41.67 is: 57.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.53 : 93.17 = 41.67 : x
  2. Step 2: Convert to fraction form
    67.53/93.17 = 41.67/x
  3. Step 3: Cross multiply
    67.53x = 93.17 × 41.67
  4. Step 4: Simplify right side
    67.53x = 3,882.19
  5. Step 5: Solve for x
    x = 3,882.19/67.53
  6. Step 6: Final answer
    x = 57.49

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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.