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Finding the Fourth Proportional to 64.91, 97.38 and 24.33

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Solution

The fourth proportional to 64.91, 97.38 and 24.33 is: 36.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.91 : 97.38 = 24.33 : x
  2. Step 2: Convert to fraction form
    64.91/97.38 = 24.33/x
  3. Step 3: Cross multiply
    64.91x = 97.38 × 24.33
  4. Step 4: Simplify right side
    64.91x = 2,369.19
  5. Step 5: Solve for x
    x = 2,369.19/64.91
  6. Step 6: Final answer
    x = 36.50

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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.