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Finding the Fourth Proportional to 64.35, 96.35 and 44.06

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Solution

The fourth proportional to 64.35, 96.35 and 44.06 is: 65.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.35 : 96.35 = 44.06 : x
  2. Step 2: Convert to fraction form
    64.35/96.35 = 44.06/x
  3. Step 3: Cross multiply
    64.35x = 96.35 × 44.06
  4. Step 4: Simplify right side
    64.35x = 4,244.48
  5. Step 5: Solve for x
    x = 4,244.48/64.35
  6. Step 6: Final answer
    x = 65.96

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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.