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Finding the Fourth Proportional to 25.64, 38.41 and 24.74

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Solution

The fourth proportional to 25.64, 38.41 and 24.74 is: 37.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.64 : 38.41 = 24.74 : x
  2. Step 2: Convert to fraction form
    25.64/38.41 = 24.74/x
  3. Step 3: Cross multiply
    25.64x = 38.41 × 24.74
  4. Step 4: Simplify right side
    25.64x = 950.26
  5. Step 5: Solve for x
    x = 950.26/25.64
  6. Step 6: Final answer
    x = 37.06

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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.