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Finding the Fourth Proportional to 44.38, 61.56 and 44.02

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Solution

The fourth proportional to 44.38, 61.56 and 44.02 is: 61.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.38 : 61.56 = 44.02 : x
  2. Step 2: Convert to fraction form
    44.38/61.56 = 44.02/x
  3. Step 3: Cross multiply
    44.38x = 61.56 × 44.02
  4. Step 4: Simplify right side
    44.38x = 2,709.87
  5. Step 5: Solve for x
    x = 2,709.87/44.38
  6. Step 6: Final answer
    x = 61.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.