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Finding the Fourth Proportional to 47.26, 70.95 and 23.26

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Solution

The fourth proportional to 47.26, 70.95 and 23.26 is: 34.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.26 : 70.95 = 23.26 : x
  2. Step 2: Convert to fraction form
    47.26/70.95 = 23.26/x
  3. Step 3: Cross multiply
    47.26x = 70.95 × 23.26
  4. Step 4: Simplify right side
    47.26x = 1,650.30
  5. Step 5: Solve for x
    x = 1,650.30/47.26
  6. Step 6: Final answer
    x = 34.92

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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.