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Finding the Fourth Proportional to 47.41, 71.05 and 32.95

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Solution

The fourth proportional to 47.41, 71.05 and 32.95 is: 49.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.41 : 71.05 = 32.95 : x
  2. Step 2: Convert to fraction form
    47.41/71.05 = 32.95/x
  3. Step 3: Cross multiply
    47.41x = 71.05 × 32.95
  4. Step 4: Simplify right side
    47.41x = 2,340.80
  5. Step 5: Solve for x
    x = 2,340.80/47.41
  6. Step 6: Final answer
    x = 49.37

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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.