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Finding the Fourth Proportional to 96.96, 145.44 and 32.83

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Solution

The fourth proportional to 96.96, 145.44 and 32.83 is: 49.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.96 : 145.44 = 32.83 : x
  2. Step 2: Convert to fraction form
    96.96/145.44 = 32.83/x
  3. Step 3: Cross multiply
    96.96x = 145.44 × 32.83
  4. Step 4: Simplify right side
    96.96x = 4,774.80
  5. Step 5: Solve for x
    x = 4,774.80/96.96
  6. Step 6: Final answer
    x = 49.25

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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.