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Finding the Fourth Proportional to 64.01, 95.99 and 25.48

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Solution

The fourth proportional to 64.01, 95.99 and 25.48 is: 38.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.01 : 95.99 = 25.48 : x
  2. Step 2: Convert to fraction form
    64.01/95.99 = 25.48/x
  3. Step 3: Cross multiply
    64.01x = 95.99 × 25.48
  4. Step 4: Simplify right side
    64.01x = 2,445.22
  5. Step 5: Solve for x
    x = 2,445.22/64.01
  6. Step 6: Final answer
    x = 38.20

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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.