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Finding the Fourth Proportional to 56.56, 84.92 and 44.58

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Solution

The fourth proportional to 56.56, 84.92 and 44.58 is: 66.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.56 : 84.92 = 44.58 : x
  2. Step 2: Convert to fraction form
    56.56/84.92 = 44.58/x
  3. Step 3: Cross multiply
    56.56x = 84.92 × 44.58
  4. Step 4: Simplify right side
    56.56x = 3,785.73
  5. Step 5: Solve for x
    x = 3,785.73/56.56
  6. Step 6: Final answer
    x = 66.93

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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.