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Finding the Fourth Proportional to 25.44, 35.11 and 14.53

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Solution

The fourth proportional to 25.44, 35.11 and 14.53 is: 20.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.44 : 35.11 = 14.53 : x
  2. Step 2: Convert to fraction form
    25.44/35.11 = 14.53/x
  3. Step 3: Cross multiply
    25.44x = 35.11 × 14.53
  4. Step 4: Simplify right side
    25.44x = 510.15
  5. Step 5: Solve for x
    x = 510.15/25.44
  6. Step 6: Final answer
    x = 20.05

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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.