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Finding the Fourth Proportional to 18,164.70, 27,246.87 and 10,763.83

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Solution

The fourth proportional to 18,164.70, 27,246.87 and 10,763.83 is: 16,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.70 : 27,246.87 = 10,763.83 : x
  2. Step 2: Convert to fraction form
    18,164.70/27,246.87 = 10,763.83/x
  3. Step 3: Cross multiply
    18,164.70x = 27,246.87 × 10,763.83
  4. Step 4: Simplify right side
    18,164.70x = 293,280,608.59
  5. Step 5: Solve for x
    x = 293,280,608.59/18,164.70
  6. Step 6: Final answer
    x = 16,145.64

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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.