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Finding the Fourth Proportional to 16.58, 22.88 and 14.16

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Solution

The fourth proportional to 16.58, 22.88 and 14.16 is: 19.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.58 : 22.88 = 14.16 : x
  2. Step 2: Convert to fraction form
    16.58/22.88 = 14.16/x
  3. Step 3: Cross multiply
    16.58x = 22.88 × 14.16
  4. Step 4: Simplify right side
    16.58x = 323.98
  5. Step 5: Solve for x
    x = 323.98/16.58
  6. Step 6: Final answer
    x = 19.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.