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Finding the Fourth Proportional to 64.34, 96.60 and 44

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Solution

The fourth proportional to 64.34, 96.60 and 44 is: 66.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.34 : 96.60 = 44 : x
  2. Step 2: Convert to fraction form
    64.34/96.60 = 44/x
  3. Step 3: Cross multiply
    64.34x = 96.60 × 44
  4. Step 4: Simplify right side
    64.34x = 4,250.40
  5. Step 5: Solve for x
    x = 4,250.40/64.34
  6. Step 6: Final answer
    x = 66.06

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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.