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Finding the Fourth Proportional to 46.85, 70.34 and 41.97

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Solution

The fourth proportional to 46.85, 70.34 and 41.97 is: 63.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.85 : 70.34 = 41.97 : x
  2. Step 2: Convert to fraction form
    46.85/70.34 = 41.97/x
  3. Step 3: Cross multiply
    46.85x = 70.34 × 41.97
  4. Step 4: Simplify right side
    46.85x = 2,951.96
  5. Step 5: Solve for x
    x = 2,951.96/46.85
  6. Step 6: Final answer
    x = 63.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.