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Finding the Fourth Proportional to 14.46, 19.96 and 9.01

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Solution

The fourth proportional to 14.46, 19.96 and 9.01 is: 12.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.46 : 19.96 = 9.01 : x
  2. Step 2: Convert to fraction form
    14.46/19.96 = 9.01/x
  3. Step 3: Cross multiply
    14.46x = 19.96 × 9.01
  4. Step 4: Simplify right side
    14.46x = 179.69
  5. Step 5: Solve for x
    x = 179.69/14.46
  6. Step 6: Final answer
    x = 12.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.