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Finding the Fourth Proportional to 32.35, 44.62 and 21.27

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Solution

The fourth proportional to 32.35, 44.62 and 21.27 is: 29.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.35 : 44.62 = 21.27 : x
  2. Step 2: Convert to fraction form
    32.35/44.62 = 21.27/x
  3. Step 3: Cross multiply
    32.35x = 44.62 × 21.27
  4. Step 4: Simplify right side
    32.35x = 949.07
  5. Step 5: Solve for x
    x = 949.07/32.35
  6. Step 6: Final answer
    x = 29.34

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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.