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Finding the Fourth Proportional to 16.52, 22.70 and 14.64

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Solution

The fourth proportional to 16.52, 22.70 and 14.64 is: 20.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.52 : 22.70 = 14.64 : x
  2. Step 2: Convert to fraction form
    16.52/22.70 = 14.64/x
  3. Step 3: Cross multiply
    16.52x = 22.70 × 14.64
  4. Step 4: Simplify right side
    16.52x = 332.33
  5. Step 5: Solve for x
    x = 332.33/16.52
  6. Step 6: Final answer
    x = 20.12

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.