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Finding the Fourth Proportional to 35.25, 52.85 and 14.94

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Solution

The fourth proportional to 35.25, 52.85 and 14.94 is: 22.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.25 : 52.85 = 14.94 : x
  2. Step 2: Convert to fraction form
    35.25/52.85 = 14.94/x
  3. Step 3: Cross multiply
    35.25x = 52.85 × 14.94
  4. Step 4: Simplify right side
    35.25x = 789.31
  5. Step 5: Solve for x
    x = 789.31/35.25
  6. Step 6: Final answer
    x = 22.39

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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.