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Finding the Fourth Proportional to 16.98, 25.47 and 16.58

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Solution

The fourth proportional to 16.98, 25.47 and 16.58 is: 24.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.98 : 25.47 = 16.58 : x
  2. Step 2: Convert to fraction form
    16.98/25.47 = 16.58/x
  3. Step 3: Cross multiply
    16.98x = 25.47 × 16.58
  4. Step 4: Simplify right side
    16.98x = 422.29
  5. Step 5: Solve for x
    x = 422.29/16.98
  6. Step 6: Final answer
    x = 24.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.