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Finding the Fourth Proportional to 96.99, 145.49 and 24.84

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Solution

The fourth proportional to 96.99, 145.49 and 24.84 is: 37.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.99 : 145.49 = 24.84 : x
  2. Step 2: Convert to fraction form
    96.99/145.49 = 24.84/x
  3. Step 3: Cross multiply
    96.99x = 145.49 × 24.84
  4. Step 4: Simplify right side
    96.99x = 3,613.85
  5. Step 5: Solve for x
    x = 3,613.85/96.99
  6. Step 6: Final answer
    x = 37.26

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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.