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Finding the Fourth Proportional to 27.47, 41.22 and 22.46

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Solution

The fourth proportional to 27.47, 41.22 and 22.46 is: 33.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.47 : 41.22 = 22.46 : x
  2. Step 2: Convert to fraction form
    27.47/41.22 = 22.46/x
  3. Step 3: Cross multiply
    27.47x = 41.22 × 22.46
  4. Step 4: Simplify right side
    27.47x = 925.60
  5. Step 5: Solve for x
    x = 925.60/27.47
  6. Step 6: Final answer
    x = 33.70

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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.