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Finding the Fourth Proportional to 16.36, 22.45 and 16.27

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Solution

The fourth proportional to 16.36, 22.45 and 16.27 is: 22.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.36 : 22.45 = 16.27 : x
  2. Step 2: Convert to fraction form
    16.36/22.45 = 16.27/x
  3. Step 3: Cross multiply
    16.36x = 22.45 × 16.27
  4. Step 4: Simplify right side
    16.36x = 365.26
  5. Step 5: Solve for x
    x = 365.26/16.36
  6. Step 6: Final answer
    x = 22.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.