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Finding the Fourth Proportional to 32.38, 44.66 and 25.09

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Solution

The fourth proportional to 32.38, 44.66 and 25.09 is: 34.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.38 : 44.66 = 25.09 : x
  2. Step 2: Convert to fraction form
    32.38/44.66 = 25.09/x
  3. Step 3: Cross multiply
    32.38x = 44.66 × 25.09
  4. Step 4: Simplify right side
    32.38x = 1,120.39
  5. Step 5: Solve for x
    x = 1,120.39/32.38
  6. Step 6: Final answer
    x = 34.60

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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.