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Finding the Fourth Proportional to 16.69, 25.01 and 9.46

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Solution

The fourth proportional to 16.69, 25.01 and 9.46 is: 14.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.69 : 25.01 = 9.46 : x
  2. Step 2: Convert to fraction form
    16.69/25.01 = 9.46/x
  3. Step 3: Cross multiply
    16.69x = 25.01 × 9.46
  4. Step 4: Simplify right side
    16.69x = 236.59
  5. Step 5: Solve for x
    x = 236.59/16.69
  6. Step 6: Final answer
    x = 14.18

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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.