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Finding the Fourth Proportional to 16.58, 24.70 and 16.26

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Solution

The fourth proportional to 16.58, 24.70 and 16.26 is: 24.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.58 : 24.70 = 16.26 : x
  2. Step 2: Convert to fraction form
    16.58/24.70 = 16.26/x
  3. Step 3: Cross multiply
    16.58x = 24.70 × 16.26
  4. Step 4: Simplify right side
    16.58x = 401.62
  5. Step 5: Solve for x
    x = 401.62/16.58
  6. Step 6: Final answer
    x = 24.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.