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Finding the Fourth Proportional to 19.04, 26.26 and 16.32

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Solution

The fourth proportional to 19.04, 26.26 and 16.32 is: 22.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.04 : 26.26 = 16.32 : x
  2. Step 2: Convert to fraction form
    19.04/26.26 = 16.32/x
  3. Step 3: Cross multiply
    19.04x = 26.26 × 16.32
  4. Step 4: Simplify right side
    19.04x = 428.56
  5. Step 5: Solve for x
    x = 428.56/19.04
  6. Step 6: Final answer
    x = 22.51

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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.