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Finding the Fourth Proportional to 25.95, 36.02 and 25.59

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Solution

The fourth proportional to 25.95, 36.02 and 25.59 is: 35.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.95 : 36.02 = 25.59 : x
  2. Step 2: Convert to fraction form
    25.95/36.02 = 25.59/x
  3. Step 3: Cross multiply
    25.95x = 36.02 × 25.59
  4. Step 4: Simplify right side
    25.95x = 921.82
  5. Step 5: Solve for x
    x = 921.82/25.95
  6. Step 6: Final answer
    x = 35.52

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.