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Finding the Fourth Proportional to 16.59, 22.91 and 16.04

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Solution

The fourth proportional to 16.59, 22.91 and 16.04 is: 22.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.59 : 22.91 = 16.04 : x
  2. Step 2: Convert to fraction form
    16.59/22.91 = 16.04/x
  3. Step 3: Cross multiply
    16.59x = 22.91 × 16.04
  4. Step 4: Simplify right side
    16.59x = 367.28
  5. Step 5: Solve for x
    x = 367.28/16.59
  6. Step 6: Final answer
    x = 22.14

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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.