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Finding the Fourth Proportional to 13,843.92, 19,094.04 and 8,808.96

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Solution

The fourth proportional to 13,843.92, 19,094.04 and 8,808.96 is: 12,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.92 : 19,094.04 = 8,808.96 : x
  2. Step 2: Convert to fraction form
    13,843.92/19,094.04 = 8,808.96/x
  3. Step 3: Cross multiply
    13,843.92x = 19,094.04 × 8,808.96
  4. Step 4: Simplify right side
    13,843.92x = 168,198,634.60
  5. Step 5: Solve for x
    x = 168,198,634.60/13,843.92
  6. Step 6: Final answer
    x = 12,149.64

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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.