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Finding the Fourth Proportional to 67.06, 92.58 and 46.34

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Solution

The fourth proportional to 67.06, 92.58 and 46.34 is: 63.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.06 : 92.58 = 46.34 : x
  2. Step 2: Convert to fraction form
    67.06/92.58 = 46.34/x
  3. Step 3: Cross multiply
    67.06x = 92.58 × 46.34
  4. Step 4: Simplify right side
    67.06x = 4,290.16
  5. Step 5: Solve for x
    x = 4,290.16/67.06
  6. Step 6: Final answer
    x = 63.97

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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.