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Finding the Fourth Proportional to 8.44, 12.61 and 7.59

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Solution

The fourth proportional to 8.44, 12.61 and 7.59 is: 11.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.44 : 12.61 = 7.59 : x
  2. Step 2: Convert to fraction form
    8.44/12.61 = 7.59/x
  3. Step 3: Cross multiply
    8.44x = 12.61 × 7.59
  4. Step 4: Simplify right side
    8.44x = 95.71
  5. Step 5: Solve for x
    x = 95.71/8.44
  6. Step 6: Final answer
    x = 11.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.