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Finding the Fourth Proportional to 32.38, 44.72 and 32.02

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Solution

The fourth proportional to 32.38, 44.72 and 32.02 is: 44.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.38 : 44.72 = 32.02 : x
  2. Step 2: Convert to fraction form
    32.38/44.72 = 32.02/x
  3. Step 3: Cross multiply
    32.38x = 44.72 × 32.02
  4. Step 4: Simplify right side
    32.38x = 1,431.93
  5. Step 5: Solve for x
    x = 1,431.93/32.38
  6. Step 6: Final answer
    x = 44.22

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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.