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Finding the Fourth Proportional to 34.84, 52.14 and 28.83

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Solution

The fourth proportional to 34.84, 52.14 and 28.83 is: 43.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.84 : 52.14 = 28.83 : x
  2. Step 2: Convert to fraction form
    34.84/52.14 = 28.83/x
  3. Step 3: Cross multiply
    34.84x = 52.14 × 28.83
  4. Step 4: Simplify right side
    34.84x = 1,503.20
  5. Step 5: Solve for x
    x = 1,503.20/34.84
  6. Step 6: Final answer
    x = 43.15

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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.