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Finding the Fourth Proportional to 22, 33.02 and 13.99

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Solution

The fourth proportional to 22, 33.02 and 13.99 is: 21.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22 : 33.02 = 13.99 : x
  2. Step 2: Convert to fraction form
    22/33.02 = 13.99/x
  3. Step 3: Cross multiply
    22x = 33.02 × 13.99
  4. Step 4: Simplify right side
    22x = 461.95
  5. Step 5: Solve for x
    x = 461.95/22
  6. Step 6: Final answer
    x = 21.00

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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.