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Finding the Fourth Proportional to 35.15, 52.37 and 33.86

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Solution

The fourth proportional to 35.15, 52.37 and 33.86 is: 50.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.15 : 52.37 = 33.86 : x
  2. Step 2: Convert to fraction form
    35.15/52.37 = 33.86/x
  3. Step 3: Cross multiply
    35.15x = 52.37 × 33.86
  4. Step 4: Simplify right side
    35.15x = 1,773.08
  5. Step 5: Solve for x
    x = 1,773.08/35.15
  6. Step 6: Final answer
    x = 50.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.