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Finding the Fourth Proportional to 6,683.80, 10,025.70 and 5,744.20

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Solution

The fourth proportional to 6,683.80, 10,025.70 and 5,744.20 is: 8,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.80 : 10,025.70 = 5,744.20 : x
  2. Step 2: Convert to fraction form
    6,683.80/10,025.70 = 5,744.20/x
  3. Step 3: Cross multiply
    6,683.80x = 10,025.70 × 5,744.20
  4. Step 4: Simplify right side
    6,683.80x = 57,589,625.94
  5. Step 5: Solve for x
    x = 57,589,625.94/6,683.80
  6. Step 6: Final answer
    x = 8,616.30

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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.