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Finding the Fourth Proportional to 32.42, 44.73 and 22.05

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Solution

The fourth proportional to 32.42, 44.73 and 22.05 is: 30.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.42 : 44.73 = 22.05 : x
  2. Step 2: Convert to fraction form
    32.42/44.73 = 22.05/x
  3. Step 3: Cross multiply
    32.42x = 44.73 × 22.05
  4. Step 4: Simplify right side
    32.42x = 986.30
  5. Step 5: Solve for x
    x = 986.30/32.42
  6. Step 6: Final answer
    x = 30.42

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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.