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Finding the Fourth Proportional to 36.04, 53.96 and 34.88

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Solution

The fourth proportional to 36.04, 53.96 and 34.88 is: 52.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.04 : 53.96 = 34.88 : x
  2. Step 2: Convert to fraction form
    36.04/53.96 = 34.88/x
  3. Step 3: Cross multiply
    36.04x = 53.96 × 34.88
  4. Step 4: Simplify right side
    36.04x = 1,882.12
  5. Step 5: Solve for x
    x = 1,882.12/36.04
  6. Step 6: Final answer
    x = 52.22

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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.