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Finding the Fourth Proportional to 25.28, 37.96 and 24.08

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Solution

The fourth proportional to 25.28, 37.96 and 24.08 is: 36.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.28 : 37.96 = 24.08 : x
  2. Step 2: Convert to fraction form
    25.28/37.96 = 24.08/x
  3. Step 3: Cross multiply
    25.28x = 37.96 × 24.08
  4. Step 4: Simplify right side
    25.28x = 914.08
  5. Step 5: Solve for x
    x = 914.08/25.28
  6. Step 6: Final answer
    x = 36.16

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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.