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Finding the Fourth Proportional to 36.99, 55.44 and 14.14

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Solution

The fourth proportional to 36.99, 55.44 and 14.14 is: 21.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.99 : 55.44 = 14.14 : x
  2. Step 2: Convert to fraction form
    36.99/55.44 = 14.14/x
  3. Step 3: Cross multiply
    36.99x = 55.44 × 14.14
  4. Step 4: Simplify right side
    36.99x = 783.99
  5. Step 5: Solve for x
    x = 783.99/36.99
  6. Step 6: Final answer
    x = 21.19

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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.