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Finding the Fourth Proportional to 25.01, 37.44 and 18.23

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Solution

The fourth proportional to 25.01, 37.44 and 18.23 is: 27.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.01 : 37.44 = 18.23 : x
  2. Step 2: Convert to fraction form
    25.01/37.44 = 18.23/x
  3. Step 3: Cross multiply
    25.01x = 37.44 × 18.23
  4. Step 4: Simplify right side
    25.01x = 682.34
  5. Step 5: Solve for x
    x = 682.34/25.01
  6. Step 6: Final answer
    x = 27.29

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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.