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Finding the Fourth Proportional to 56.54, 77.94 and 44.22

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Solution

The fourth proportional to 56.54, 77.94 and 44.22 is: 60.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.54 : 77.94 = 44.22 : x
  2. Step 2: Convert to fraction form
    56.54/77.94 = 44.22/x
  3. Step 3: Cross multiply
    56.54x = 77.94 × 44.22
  4. Step 4: Simplify right side
    56.54x = 3,446.51
  5. Step 5: Solve for x
    x = 3,446.51/56.54
  6. Step 6: Final answer
    x = 60.96

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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.