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Finding the Fourth Proportional to 96.63, 144.84 and 35.71

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Solution

The fourth proportional to 96.63, 144.84 and 35.71 is: 53.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.63 : 144.84 = 35.71 : x
  2. Step 2: Convert to fraction form
    96.63/144.84 = 35.71/x
  3. Step 3: Cross multiply
    96.63x = 144.84 × 35.71
  4. Step 4: Simplify right side
    96.63x = 5,172.24
  5. Step 5: Solve for x
    x = 5,172.24/96.63
  6. Step 6: Final answer
    x = 53.53

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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.