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Finding the Fourth Proportional to 16.58, 22.91 and 14.13

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Solution

The fourth proportional to 16.58, 22.91 and 14.13 is: 19.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.58 : 22.91 = 14.13 : x
  2. Step 2: Convert to fraction form
    16.58/22.91 = 14.13/x
  3. Step 3: Cross multiply
    16.58x = 22.91 × 14.13
  4. Step 4: Simplify right side
    16.58x = 323.65
  5. Step 5: Solve for x
    x = 323.65/16.58
  6. Step 6: Final answer
    x = 19.52

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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.