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Finding the Fourth Proportional to 6,745.91, 10,118.49 and 2,065.92

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Solution

The fourth proportional to 6,745.91, 10,118.49 and 2,065.92 is: 3,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.91 : 10,118.49 = 2,065.92 : x
  2. Step 2: Convert to fraction form
    6,745.91/10,118.49 = 2,065.92/x
  3. Step 3: Cross multiply
    6,745.91x = 10,118.49 × 2,065.92
  4. Step 4: Simplify right side
    6,745.91x = 20,903,990.86
  5. Step 5: Solve for x
    x = 20,903,990.86/6,745.91
  6. Step 6: Final answer
    x = 3,098.77

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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.