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Finding the Fourth Proportional to 67.94, 93.76 and 46.11

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Solution

The fourth proportional to 67.94, 93.76 and 46.11 is: 63.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.94 : 93.76 = 46.11 : x
  2. Step 2: Convert to fraction form
    67.94/93.76 = 46.11/x
  3. Step 3: Cross multiply
    67.94x = 93.76 × 46.11
  4. Step 4: Simplify right side
    67.94x = 4,323.27
  5. Step 5: Solve for x
    x = 4,323.27/67.94
  6. Step 6: Final answer
    x = 63.63

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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.