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Finding the Fourth Proportional to 41.22, 57 and 32.58

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Solution

The fourth proportional to 41.22, 57 and 32.58 is: 45.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.22 : 57 = 32.58 : x
  2. Step 2: Convert to fraction form
    41.22/57 = 32.58/x
  3. Step 3: Cross multiply
    41.22x = 57 × 32.58
  4. Step 4: Simplify right side
    41.22x = 1,857.06
  5. Step 5: Solve for x
    x = 1,857.06/41.22
  6. Step 6: Final answer
    x = 45.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.