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Finding the Fourth Proportional to 25.28, 37.73 and 24.88

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Solution

The fourth proportional to 25.28, 37.73 and 24.88 is: 37.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.28 : 37.73 = 24.88 : x
  2. Step 2: Convert to fraction form
    25.28/37.73 = 24.88/x
  3. Step 3: Cross multiply
    25.28x = 37.73 × 24.88
  4. Step 4: Simplify right side
    25.28x = 938.72
  5. Step 5: Solve for x
    x = 938.72/25.28
  6. Step 6: Final answer
    x = 37.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.