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Finding the Fourth Proportional to 41.21, 56.88 and 32.49

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Solution

The fourth proportional to 41.21, 56.88 and 32.49 is: 44.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.21 : 56.88 = 32.49 : x
  2. Step 2: Convert to fraction form
    41.21/56.88 = 32.49/x
  3. Step 3: Cross multiply
    41.21x = 56.88 × 32.49
  4. Step 4: Simplify right side
    41.21x = 1,847.82
  5. Step 5: Solve for x
    x = 1,847.82/41.21
  6. Step 6: Final answer
    x = 44.84

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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.