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Finding the Fourth Proportional to 55,296.58, 82,944.84 and 18,360.58

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Solution

The fourth proportional to 55,296.58, 82,944.84 and 18,360.58 is: 27,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.58 : 82,944.84 = 18,360.58 : x
  2. Step 2: Convert to fraction form
    55,296.58/82,944.84 = 18,360.58/x
  3. Step 3: Cross multiply
    55,296.58x = 82,944.84 × 18,360.58
  4. Step 4: Simplify right side
    55,296.58x = 1,522,915,370.41
  5. Step 5: Solve for x
    x = 1,522,915,370.41/55,296.58
  6. Step 6: Final answer
    x = 27,540.86

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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.