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Finding the Fourth Proportional to 18,584.13, 27,879.63 and 6,104.86

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Solution

The fourth proportional to 18,584.13, 27,879.63 and 6,104.86 is: 9,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.13 : 27,879.63 = 6,104.86 : x
  2. Step 2: Convert to fraction form
    18,584.13/27,879.63 = 6,104.86/x
  3. Step 3: Cross multiply
    18,584.13x = 27,879.63 × 6,104.86
  4. Step 4: Simplify right side
    18,584.13x = 170,201,238.00
  5. Step 5: Solve for x
    x = 170,201,238.00/18,584.13
  6. Step 6: Final answer
    x = 9,158.42

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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.