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Finding the Fourth Proportional to 41.05, 61.51 and 29.64

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Solution

The fourth proportional to 41.05, 61.51 and 29.64 is: 44.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.05 : 61.51 = 29.64 : x
  2. Step 2: Convert to fraction form
    41.05/61.51 = 29.64/x
  3. Step 3: Cross multiply
    41.05x = 61.51 × 29.64
  4. Step 4: Simplify right side
    41.05x = 1,823.01
  5. Step 5: Solve for x
    x = 1,823.01/41.05
  6. Step 6: Final answer
    x = 44.41

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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.