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Finding the Fourth Proportional to 13.94, 20.89 and 5.93

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Solution

The fourth proportional to 13.94, 20.89 and 5.93 is: 8.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.94 : 20.89 = 5.93 : x
  2. Step 2: Convert to fraction form
    13.94/20.89 = 5.93/x
  3. Step 3: Cross multiply
    13.94x = 20.89 × 5.93
  4. Step 4: Simplify right side
    13.94x = 123.74
  5. Step 5: Solve for x
    x = 123.74/13.94
  6. Step 6: Final answer
    x = 8.88

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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.