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Finding the Fourth Proportional to 18,794.01, 28,190.04 and 6,314.13

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Solution

The fourth proportional to 18,794.01, 28,190.04 and 6,314.13 is: 9,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.01 : 28,190.04 = 6,314.13 : x
  2. Step 2: Convert to fraction form
    18,794.01/28,190.04 = 6,314.13/x
  3. Step 3: Cross multiply
    18,794.01x = 28,190.04 × 6,314.13
  4. Step 4: Simplify right side
    18,794.01x = 177,995,577.27
  5. Step 5: Solve for x
    x = 177,995,577.27/18,794.01
  6. Step 6: Final answer
    x = 9,470.87

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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.