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Finding the Fourth Proportional to 56.52, 84.60 and 44.52

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Solution

The fourth proportional to 56.52, 84.60 and 44.52 is: 66.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.52 : 84.60 = 44.52 : x
  2. Step 2: Convert to fraction form
    56.52/84.60 = 44.52/x
  3. Step 3: Cross multiply
    56.52x = 84.60 × 44.52
  4. Step 4: Simplify right side
    56.52x = 3,766.39
  5. Step 5: Solve for x
    x = 3,766.39/56.52
  6. Step 6: Final answer
    x = 66.64

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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.