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Finding the Fourth Proportional to 14.73, 22.06 and 13.10

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Solution

The fourth proportional to 14.73, 22.06 and 13.10 is: 19.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.73 : 22.06 = 13.10 : x
  2. Step 2: Convert to fraction form
    14.73/22.06 = 13.10/x
  3. Step 3: Cross multiply
    14.73x = 22.06 × 13.10
  4. Step 4: Simplify right side
    14.73x = 288.97
  5. Step 5: Solve for x
    x = 288.97/14.73
  6. Step 6: Final answer
    x = 19.62

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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.