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Finding the Fourth Proportional to 67.94, 93.72 and 46.14

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Solution

The fourth proportional to 67.94, 93.72 and 46.14 is: 63.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.94 : 93.72 = 46.14 : x
  2. Step 2: Convert to fraction form
    67.94/93.72 = 46.14/x
  3. Step 3: Cross multiply
    67.94x = 93.72 × 46.14
  4. Step 4: Simplify right side
    67.94x = 4,324.06
  5. Step 5: Solve for x
    x = 4,324.06/67.94
  6. Step 6: Final answer
    x = 63.65

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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.