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Finding the Fourth Proportional to 25.41, 34.98 and 22.98

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Solution

The fourth proportional to 25.41, 34.98 and 22.98 is: 31.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.41 : 34.98 = 22.98 : x
  2. Step 2: Convert to fraction form
    25.41/34.98 = 22.98/x
  3. Step 3: Cross multiply
    25.41x = 34.98 × 22.98
  4. Step 4: Simplify right side
    25.41x = 803.84
  5. Step 5: Solve for x
    x = 803.84/25.41
  6. Step 6: Final answer
    x = 31.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.