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Finding the Fourth Proportional to 34.53, 47.35 and 32.64

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Solution

The fourth proportional to 34.53, 47.35 and 32.64 is: 44.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.53 : 47.35 = 32.64 : x
  2. Step 2: Convert to fraction form
    34.53/47.35 = 32.64/x
  3. Step 3: Cross multiply
    34.53x = 47.35 × 32.64
  4. Step 4: Simplify right side
    34.53x = 1,545.42
  5. Step 5: Solve for x
    x = 1,545.42/34.53
  6. Step 6: Final answer
    x = 44.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.