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Finding the Fourth Proportional to 27.88, 41.83 and 7.59

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Solution

The fourth proportional to 27.88, 41.83 and 7.59 is: 11.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.88 : 41.83 = 7.59 : x
  2. Step 2: Convert to fraction form
    27.88/41.83 = 7.59/x
  3. Step 3: Cross multiply
    27.88x = 41.83 × 7.59
  4. Step 4: Simplify right side
    27.88x = 317.49
  5. Step 5: Solve for x
    x = 317.49/27.88
  6. Step 6: Final answer
    x = 11.39

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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.