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Finding the Fourth Proportional to 6,683.11, 10,020.11 and 3,389.85

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Solution

The fourth proportional to 6,683.11, 10,020.11 and 3,389.85 is: 5,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.11 : 10,020.11 = 3,389.85 : x
  2. Step 2: Convert to fraction form
    6,683.11/10,020.11 = 3,389.85/x
  3. Step 3: Cross multiply
    6,683.11x = 10,020.11 × 3,389.85
  4. Step 4: Simplify right side
    6,683.11x = 33,966,652.93
  5. Step 5: Solve for x
    x = 33,966,652.93/6,683.11
  6. Step 6: Final answer
    x = 5,082.46

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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.