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Finding the Fourth Proportional to 58.26, 80.46 and 44.49

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Solution

The fourth proportional to 58.26, 80.46 and 44.49 is: 61.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.26 : 80.46 = 44.49 : x
  2. Step 2: Convert to fraction form
    58.26/80.46 = 44.49/x
  3. Step 3: Cross multiply
    58.26x = 80.46 × 44.49
  4. Step 4: Simplify right side
    58.26x = 3,579.67
  5. Step 5: Solve for x
    x = 3,579.67/58.26
  6. Step 6: Final answer
    x = 61.44

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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.