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Finding the Fourth Proportional to 36.99, 55.46 and 16.69

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Solution

The fourth proportional to 36.99, 55.46 and 16.69 is: 25.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.99 : 55.46 = 16.69 : x
  2. Step 2: Convert to fraction form
    36.99/55.46 = 16.69/x
  3. Step 3: Cross multiply
    36.99x = 55.46 × 16.69
  4. Step 4: Simplify right side
    36.99x = 925.41
  5. Step 5: Solve for x
    x = 925.41/36.99
  6. Step 6: Final answer
    x = 25.02

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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.