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Finding the Fourth Proportional to 19.35, 26.67 and 16.41

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Solution

The fourth proportional to 19.35, 26.67 and 16.41 is: 22.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.35 : 26.67 = 16.41 : x
  2. Step 2: Convert to fraction form
    19.35/26.67 = 16.41/x
  3. Step 3: Cross multiply
    19.35x = 26.67 × 16.41
  4. Step 4: Simplify right side
    19.35x = 437.65
  5. Step 5: Solve for x
    x = 437.65/19.35
  6. Step 6: Final answer
    x = 22.62

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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.