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Finding the Fourth Proportional to 6,269.60, 9,380.10 and 4,082.60

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Solution

The fourth proportional to 6,269.60, 9,380.10 and 4,082.60 is: 6,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.60 : 9,380.10 = 4,082.60 : x
  2. Step 2: Convert to fraction form
    6,269.60/9,380.10 = 4,082.60/x
  3. Step 3: Cross multiply
    6,269.60x = 9,380.10 × 4,082.60
  4. Step 4: Simplify right side
    6,269.60x = 38,295,196.26
  5. Step 5: Solve for x
    x = 38,295,196.26/6,269.60
  6. Step 6: Final answer
    x = 6,108.08

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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.