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Finding the Fourth Proportional to 64.44, 96.44 and 46.35

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Solution

The fourth proportional to 64.44, 96.44 and 46.35 is: 69.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.44 : 96.44 = 46.35 : x
  2. Step 2: Convert to fraction form
    64.44/96.44 = 46.35/x
  3. Step 3: Cross multiply
    64.44x = 96.44 × 46.35
  4. Step 4: Simplify right side
    64.44x = 4,469.76
  5. Step 5: Solve for x
    x = 4,469.76/64.44
  6. Step 6: Final answer
    x = 69.36

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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.