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Finding the Fourth Proportional to 44.52, 61.43 and 25.11

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Solution

The fourth proportional to 44.52, 61.43 and 25.11 is: 34.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.52 : 61.43 = 25.11 : x
  2. Step 2: Convert to fraction form
    44.52/61.43 = 25.11/x
  3. Step 3: Cross multiply
    44.52x = 61.43 × 25.11
  4. Step 4: Simplify right side
    44.52x = 1,542.38
  5. Step 5: Solve for x
    x = 1,542.38/44.52
  6. Step 6: Final answer
    x = 34.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.