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Finding the Fourth Proportional to 40.29, 60.44 and 25.04

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Solution

The fourth proportional to 40.29, 60.44 and 25.04 is: 37.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.29 : 60.44 = 25.04 : x
  2. Step 2: Convert to fraction form
    40.29/60.44 = 25.04/x
  3. Step 3: Cross multiply
    40.29x = 60.44 × 25.04
  4. Step 4: Simplify right side
    40.29x = 1,513.42
  5. Step 5: Solve for x
    x = 1,513.42/40.29
  6. Step 6: Final answer
    x = 37.56

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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.