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Finding the Fourth Proportional to 6,745.43, 10,116.92 and 1,813.92

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Solution

The fourth proportional to 6,745.43, 10,116.92 and 1,813.92 is: 2,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.43 : 10,116.92 = 1,813.92 : x
  2. Step 2: Convert to fraction form
    6,745.43/10,116.92 = 1,813.92/x
  3. Step 3: Cross multiply
    6,745.43x = 10,116.92 × 1,813.92
  4. Step 4: Simplify right side
    6,745.43x = 18,351,283.53
  5. Step 5: Solve for x
    x = 18,351,283.53/6,745.43
  6. Step 6: Final answer
    x = 2,720.55

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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.