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Finding the Fourth Proportional to 34.54, 51.55 and 32.03

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Solution

The fourth proportional to 34.54, 51.55 and 32.03 is: 47.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.54 : 51.55 = 32.03 : x
  2. Step 2: Convert to fraction form
    34.54/51.55 = 32.03/x
  3. Step 3: Cross multiply
    34.54x = 51.55 × 32.03
  4. Step 4: Simplify right side
    34.54x = 1,651.28
  5. Step 5: Solve for x
    x = 1,651.28/34.54
  6. Step 6: Final answer
    x = 47.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.