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Finding the Fourth Proportional to 108.37, 162.58 and 35.27

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Solution

The fourth proportional to 108.37, 162.58 and 35.27 is: 52.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.37 : 162.58 = 35.27 : x
  2. Step 2: Convert to fraction form
    108.37/162.58 = 35.27/x
  3. Step 3: Cross multiply
    108.37x = 162.58 × 35.27
  4. Step 4: Simplify right side
    108.37x = 5,734.20
  5. Step 5: Solve for x
    x = 5,734.20/108.37
  6. Step 6: Final answer
    x = 52.91

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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.