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Finding the Fourth Proportional to 18,374.22, 27,563.77 and 5,890.09

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Solution

The fourth proportional to 18,374.22, 27,563.77 and 5,890.09 is: 8,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.22 : 27,563.77 = 5,890.09 : x
  2. Step 2: Convert to fraction form
    18,374.22/27,563.77 = 5,890.09/x
  3. Step 3: Cross multiply
    18,374.22x = 27,563.77 × 5,890.09
  4. Step 4: Simplify right side
    18,374.22x = 162,353,137.13
  5. Step 5: Solve for x
    x = 162,353,137.13/18,374.22
  6. Step 6: Final answer
    x = 8,835.92

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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.