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Finding the Fourth Proportional to 23.55, 32.49 and 16.26

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Solution

The fourth proportional to 23.55, 32.49 and 16.26 is: 22.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.55 : 32.49 = 16.26 : x
  2. Step 2: Convert to fraction form
    23.55/32.49 = 16.26/x
  3. Step 3: Cross multiply
    23.55x = 32.49 × 16.26
  4. Step 4: Simplify right side
    23.55x = 528.29
  5. Step 5: Solve for x
    x = 528.29/23.55
  6. Step 6: Final answer
    x = 22.43

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Why These Related Problems?

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