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Finding the Fourth Proportional to 35.18, 52.76 and 29.24

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Solution

The fourth proportional to 35.18, 52.76 and 29.24 is: 43.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.18 : 52.76 = 29.24 : x
  2. Step 2: Convert to fraction form
    35.18/52.76 = 29.24/x
  3. Step 3: Cross multiply
    35.18x = 52.76 × 29.24
  4. Step 4: Simplify right side
    35.18x = 1,542.70
  5. Step 5: Solve for x
    x = 1,542.70/35.18
  6. Step 6: Final answer
    x = 43.85

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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.