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Finding the Fourth Proportional to 64.95, 97.38 and 44.66

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Solution

The fourth proportional to 64.95, 97.38 and 44.66 is: 66.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.95 : 97.38 = 44.66 : x
  2. Step 2: Convert to fraction form
    64.95/97.38 = 44.66/x
  3. Step 3: Cross multiply
    64.95x = 97.38 × 44.66
  4. Step 4: Simplify right side
    64.95x = 4,348.50
  5. Step 5: Solve for x
    x = 4,348.50/64.95
  6. Step 6: Final answer
    x = 66.95

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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.