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Finding the Fourth Proportional to 32.91, 45.44 and 23.22

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Solution

The fourth proportional to 32.91, 45.44 and 23.22 is: 32.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.91 : 45.44 = 23.22 : x
  2. Step 2: Convert to fraction form
    32.91/45.44 = 23.22/x
  3. Step 3: Cross multiply
    32.91x = 45.44 × 23.22
  4. Step 4: Simplify right side
    32.91x = 1,055.12
  5. Step 5: Solve for x
    x = 1,055.12/32.91
  6. Step 6: Final answer
    x = 32.06

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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.