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Finding the Fourth Proportional to 15.13, 22.69 and 4.44

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Solution

The fourth proportional to 15.13, 22.69 and 4.44 is: 6.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.13 : 22.69 = 4.44 : x
  2. Step 2: Convert to fraction form
    15.13/22.69 = 4.44/x
  3. Step 3: Cross multiply
    15.13x = 22.69 × 4.44
  4. Step 4: Simplify right side
    15.13x = 100.74
  5. Step 5: Solve for x
    x = 100.74/15.13
  6. Step 6: Final answer
    x = 6.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.