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Finding the Fourth Proportional to 17,794.40, 26,662.80 and 11,208.80

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Solution

The fourth proportional to 17,794.40, 26,662.80 and 11,208.80 is: 16,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794.40 : 26,662.80 = 11,208.80 : x
  2. Step 2: Convert to fraction form
    17,794.40/26,662.80 = 11,208.80/x
  3. Step 3: Cross multiply
    17,794.40x = 26,662.80 × 11,208.80
  4. Step 4: Simplify right side
    17,794.40x = 298,857,992.64
  5. Step 5: Solve for x
    x = 298,857,992.64/17,794.40
  6. Step 6: Final answer
    x = 16,795.06

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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.