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Finding the Fourth Proportional to 36.43, 54.60 and 35.34

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Solution

The fourth proportional to 36.43, 54.60 and 35.34 is: 52.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.43 : 54.60 = 35.34 : x
  2. Step 2: Convert to fraction form
    36.43/54.60 = 35.34/x
  3. Step 3: Cross multiply
    36.43x = 54.60 × 35.34
  4. Step 4: Simplify right side
    36.43x = 1,929.23
  5. Step 5: Solve for x
    x = 1,929.23/36.43
  6. Step 6: Final answer
    x = 52.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.