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Finding the Fourth Proportional to 16.98, 23.44 and 10.07

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Solution

The fourth proportional to 16.98, 23.44 and 10.07 is: 13.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.98 : 23.44 = 10.07 : x
  2. Step 2: Convert to fraction form
    16.98/23.44 = 10.07/x
  3. Step 3: Cross multiply
    16.98x = 23.44 × 10.07
  4. Step 4: Simplify right side
    16.98x = 235.99
  5. Step 5: Solve for x
    x = 235.99/16.98
  6. Step 6: Final answer
    x = 13.90

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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.