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Finding the Fourth Proportional to 58.37, 80.60 and 44.69

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Solution

The fourth proportional to 58.37, 80.60 and 44.69 is: 61.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.37 : 80.60 = 44.69 : x
  2. Step 2: Convert to fraction form
    58.37/80.60 = 44.69/x
  3. Step 3: Cross multiply
    58.37x = 80.60 × 44.69
  4. Step 4: Simplify right side
    58.37x = 3,601.39
  5. Step 5: Solve for x
    x = 3,601.39/58.37
  6. Step 6: Final answer
    x = 61.70

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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.