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Finding the Fourth Proportional to 18,579.52, 27,847.81 and 8,563.33

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Solution

The fourth proportional to 18,579.52, 27,847.81 and 8,563.33 is: 12,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.52 : 27,847.81 = 8,563.33 : x
  2. Step 2: Convert to fraction form
    18,579.52/27,847.81 = 8,563.33/x
  3. Step 3: Cross multiply
    18,579.52x = 27,847.81 × 8,563.33
  4. Step 4: Simplify right side
    18,579.52x = 238,470,032.32
  5. Step 5: Solve for x
    x = 238,470,032.32/18,579.52
  6. Step 6: Final answer
    x = 12,835.10

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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.