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Finding the Fourth Proportional to 56.56, 77.97 and 44.94

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Solution

The fourth proportional to 56.56, 77.97 and 44.94 is: 61.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.56 : 77.97 = 44.94 : x
  2. Step 2: Convert to fraction form
    56.56/77.97 = 44.94/x
  3. Step 3: Cross multiply
    56.56x = 77.97 × 44.94
  4. Step 4: Simplify right side
    56.56x = 3,504.07
  5. Step 5: Solve for x
    x = 3,504.07/56.56
  6. Step 6: Final answer
    x = 61.96

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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.