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Finding the Fourth Proportional to 64.10, 96.08 and 23.48

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Solution

The fourth proportional to 64.10, 96.08 and 23.48 is: 35.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.10 : 96.08 = 23.48 : x
  2. Step 2: Convert to fraction form
    64.10/96.08 = 23.48/x
  3. Step 3: Cross multiply
    64.10x = 96.08 × 23.48
  4. Step 4: Simplify right side
    64.10x = 2,255.36
  5. Step 5: Solve for x
    x = 2,255.36/64.10
  6. Step 6: Final answer
    x = 35.18

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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.