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Finding the Fourth Proportional to 34.68, 52.02 and 25.68

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Solution

The fourth proportional to 34.68, 52.02 and 25.68 is: 38.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.68 : 52.02 = 25.68 : x
  2. Step 2: Convert to fraction form
    34.68/52.02 = 25.68/x
  3. Step 3: Cross multiply
    34.68x = 52.02 × 25.68
  4. Step 4: Simplify right side
    34.68x = 1,335.87
  5. Step 5: Solve for x
    x = 1,335.87/34.68
  6. Step 6: Final answer
    x = 38.52

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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.