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Finding the Fourth Proportional to 46.85, 70.18 and 23.94

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Solution

The fourth proportional to 46.85, 70.18 and 23.94 is: 35.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.85 : 70.18 = 23.94 : x
  2. Step 2: Convert to fraction form
    46.85/70.18 = 23.94/x
  3. Step 3: Cross multiply
    46.85x = 70.18 × 23.94
  4. Step 4: Simplify right side
    46.85x = 1,680.05
  5. Step 5: Solve for x
    x = 1,680.05/46.85
  6. Step 6: Final answer
    x = 35.86

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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.