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Finding the Fourth Proportional to 64.53, 96.77 and 23.94

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Solution

The fourth proportional to 64.53, 96.77 and 23.94 is: 35.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.53 : 96.77 = 23.94 : x
  2. Step 2: Convert to fraction form
    64.53/96.77 = 23.94/x
  3. Step 3: Cross multiply
    64.53x = 96.77 × 23.94
  4. Step 4: Simplify right side
    64.53x = 2,316.73
  5. Step 5: Solve for x
    x = 2,316.73/64.53
  6. Step 6: Final answer
    x = 35.90

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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.