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Finding the Fourth Proportional to 56.69, 84.97 and 44.39

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Solution

The fourth proportional to 56.69, 84.97 and 44.39 is: 66.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.69 : 84.97 = 44.39 : x
  2. Step 2: Convert to fraction form
    56.69/84.97 = 44.39/x
  3. Step 3: Cross multiply
    56.69x = 84.97 × 44.39
  4. Step 4: Simplify right side
    56.69x = 3,771.97
  5. Step 5: Solve for x
    x = 3,771.97/56.69
  6. Step 6: Final answer
    x = 66.53

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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.