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Finding the Fourth Proportional to 52.75, 79.13 and 24.25

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Solution

The fourth proportional to 52.75, 79.13 and 24.25 is: 36.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.75 : 79.13 = 24.25 : x
  2. Step 2: Convert to fraction form
    52.75/79.13 = 24.25/x
  3. Step 3: Cross multiply
    52.75x = 79.13 × 24.25
  4. Step 4: Simplify right side
    52.75x = 1,918.90
  5. Step 5: Solve for x
    x = 1,918.90/52.75
  6. Step 6: Final answer
    x = 36.38

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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.