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Finding the Fourth Proportional to 16,794.80, 25,200.30 and 11,853.80

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Solution

The fourth proportional to 16,794.80, 25,200.30 and 11,853.80 is: 17,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,794.80 : 25,200.30 = 11,853.80 : x
  2. Step 2: Convert to fraction form
    16,794.80/25,200.30 = 11,853.80/x
  3. Step 3: Cross multiply
    16,794.80x = 25,200.30 × 11,853.80
  4. Step 4: Simplify right side
    16,794.80x = 298,719,316.14
  5. Step 5: Solve for x
    x = 298,719,316.14/16,794.80
  6. Step 6: Final answer
    x = 17,786.42

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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.