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Finding the Fourth Proportional to 27.97, 41.88 and 16.53

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Solution

The fourth proportional to 27.97, 41.88 and 16.53 is: 24.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.97 : 41.88 = 16.53 : x
  2. Step 2: Convert to fraction form
    27.97/41.88 = 16.53/x
  3. Step 3: Cross multiply
    27.97x = 41.88 × 16.53
  4. Step 4: Simplify right side
    27.97x = 692.28
  5. Step 5: Solve for x
    x = 692.28/27.97
  6. Step 6: Final answer
    x = 24.75

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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.