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Finding the Fourth Proportional to 18,794.25, 28,193.27 and 6,951.15

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Solution

The fourth proportional to 18,794.25, 28,193.27 and 6,951.15 is: 10,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.25 : 28,193.27 = 6,951.15 : x
  2. Step 2: Convert to fraction form
    18,794.25/28,193.27 = 6,951.15/x
  3. Step 3: Cross multiply
    18,794.25x = 28,193.27 × 6,951.15
  4. Step 4: Simplify right side
    18,794.25x = 195,975,614.00
  5. Step 5: Solve for x
    x = 195,975,614.00/18,794.25
  6. Step 6: Final answer
    x = 10,427.42

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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.