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Finding the Fourth Proportional to 17.96, 24.64 and 16.60

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Solution

The fourth proportional to 17.96, 24.64 and 16.60 is: 22.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.96 : 24.64 = 16.60 : x
  2. Step 2: Convert to fraction form
    17.96/24.64 = 16.60/x
  3. Step 3: Cross multiply
    17.96x = 24.64 × 16.60
  4. Step 4: Simplify right side
    17.96x = 409.02
  5. Step 5: Solve for x
    x = 409.02/17.96
  6. Step 6: Final answer
    x = 22.77

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Why These Related Problems?

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