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Finding the Fourth Proportional to 34.95, 52.62 and 25.99

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Solution

The fourth proportional to 34.95, 52.62 and 25.99 is: 39.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.95 : 52.62 = 25.99 : x
  2. Step 2: Convert to fraction form
    34.95/52.62 = 25.99/x
  3. Step 3: Cross multiply
    34.95x = 52.62 × 25.99
  4. Step 4: Simplify right side
    34.95x = 1,367.46
  5. Step 5: Solve for x
    x = 1,367.46/34.95
  6. Step 6: Final answer
    x = 39.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.