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Finding the Fourth Proportional to 18,682.56, 28,025.77 and 10,793.94

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Solution

The fourth proportional to 18,682.56, 28,025.77 and 10,793.94 is: 16,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.56 : 28,025.77 = 10,793.94 : x
  2. Step 2: Convert to fraction form
    18,682.56/28,025.77 = 10,793.94/x
  3. Step 3: Cross multiply
    18,682.56x = 28,025.77 × 10,793.94
  4. Step 4: Simplify right side
    18,682.56x = 302,508,479.83
  5. Step 5: Solve for x
    x = 302,508,479.83/18,682.56
  6. Step 6: Final answer
    x = 16,192.03

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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.