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Finding the Fourth Proportional to 27.05, 40.50 and 22.97

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Solution

The fourth proportional to 27.05, 40.50 and 22.97 is: 34.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.05 : 40.50 = 22.97 : x
  2. Step 2: Convert to fraction form
    27.05/40.50 = 22.97/x
  3. Step 3: Cross multiply
    27.05x = 40.50 × 22.97
  4. Step 4: Simplify right side
    27.05x = 930.39
  5. Step 5: Solve for x
    x = 930.39/27.05
  6. Step 6: Final answer
    x = 34.40

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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.