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Finding the Fourth Proportional to 58.37, 87.44 and 44.86

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Solution

The fourth proportional to 58.37, 87.44 and 44.86 is: 67.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.37 : 87.44 = 44.86 : x
  2. Step 2: Convert to fraction form
    58.37/87.44 = 44.86/x
  3. Step 3: Cross multiply
    58.37x = 87.44 × 44.86
  4. Step 4: Simplify right side
    58.37x = 3,922.56
  5. Step 5: Solve for x
    x = 3,922.56/58.37
  6. Step 6: Final answer
    x = 67.20

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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.