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Finding the Fourth Proportional to 22.57, 33.84 and 14.01

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Solution

The fourth proportional to 22.57, 33.84 and 14.01 is: 21.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.57 : 33.84 = 14.01 : x
  2. Step 2: Convert to fraction form
    22.57/33.84 = 14.01/x
  3. Step 3: Cross multiply
    22.57x = 33.84 × 14.01
  4. Step 4: Simplify right side
    22.57x = 474.01
  5. Step 5: Solve for x
    x = 474.01/22.57
  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.