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Finding the Fourth Proportional to 18,584.10, 27,893.70 and 11,542.77

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Solution

The fourth proportional to 18,584.10, 27,893.70 and 11,542.77 is: 17,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.10 : 27,893.70 = 11,542.77 : x
  2. Step 2: Convert to fraction form
    18,584.10/27,893.70 = 11,542.77/x
  3. Step 3: Cross multiply
    18,584.10x = 27,893.70 × 11,542.77
  4. Step 4: Simplify right side
    18,584.10x = 321,970,563.55
  5. Step 5: Solve for x
    x = 321,970,563.55/18,584.10
  6. Step 6: Final answer
    x = 17,325.06

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1.5x scale

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.