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Finding the Fourth Proportional to 62.44, 93.64 and 25.88

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Solution

The fourth proportional to 62.44, 93.64 and 25.88 is: 38.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.44 : 93.64 = 25.88 : x
  2. Step 2: Convert to fraction form
    62.44/93.64 = 25.88/x
  3. Step 3: Cross multiply
    62.44x = 93.64 × 25.88
  4. Step 4: Simplify right side
    62.44x = 2,422.87
  5. Step 5: Solve for x
    x = 2,422.87/62.44
  6. Step 6: Final answer
    x = 38.80

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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.