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Finding the Fourth Proportional to 19.52, 26.93 and 16.25

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Solution

The fourth proportional to 19.52, 26.93 and 16.25 is: 22.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.52 : 26.93 = 16.25 : x
  2. Step 2: Convert to fraction form
    19.52/26.93 = 16.25/x
  3. Step 3: Cross multiply
    19.52x = 26.93 × 16.25
  4. Step 4: Simplify right side
    19.52x = 437.52
  5. Step 5: Solve for x
    x = 437.52/19.52
  6. Step 6: Final answer
    x = 22.42

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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.