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Finding the Fourth Proportional to 13,624.83, 18,789.18 and 8,843.03

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Solution

The fourth proportional to 13,624.83, 18,789.18 and 8,843.03 is: 12,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.83 : 18,789.18 = 8,843.03 : x
  2. Step 2: Convert to fraction form
    13,624.83/18,789.18 = 8,843.03/x
  3. Step 3: Cross multiply
    13,624.83x = 18,789.18 × 8,843.03
  4. Step 4: Simplify right side
    13,624.83x = 166,153,188.47
  5. Step 5: Solve for x
    x = 166,153,188.47/13,624.83
  6. Step 6: Final answer
    x = 12,194.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.