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Finding the Fourth Proportional to 16.58, 24.90 and 14.32

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Solution

The fourth proportional to 16.58, 24.90 and 14.32 is: 21.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.58 : 24.90 = 14.32 : x
  2. Step 2: Convert to fraction form
    16.58/24.90 = 14.32/x
  3. Step 3: Cross multiply
    16.58x = 24.90 × 14.32
  4. Step 4: Simplify right side
    16.58x = 356.54
  5. Step 5: Solve for x
    x = 356.54/16.58
  6. Step 6: Final answer
    x = 21.51

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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.