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Finding the Fourth Proportional to 32.43, 44.72 and 22.08

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Solution

The fourth proportional to 32.43, 44.72 and 22.08 is: 30.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.43 : 44.72 = 22.08 : x
  2. Step 2: Convert to fraction form
    32.43/44.72 = 22.08/x
  3. Step 3: Cross multiply
    32.43x = 44.72 × 22.08
  4. Step 4: Simplify right side
    32.43x = 987.47
  5. Step 5: Solve for x
    x = 987.47/32.43
  6. Step 6: Final answer
    x = 30.45

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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.