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Finding the Fourth Proportional to 6,834.44, 9,431.42 and 3,850.55

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Solution

The fourth proportional to 6,834.44, 9,431.42 and 3,850.55 is: 5,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.44 : 9,431.42 = 3,850.55 : x
  2. Step 2: Convert to fraction form
    6,834.44/9,431.42 = 3,850.55/x
  3. Step 3: Cross multiply
    6,834.44x = 9,431.42 × 3,850.55
  4. Step 4: Simplify right side
    6,834.44x = 36,316,158.61
  5. Step 5: Solve for x
    x = 36,316,158.61/6,834.44
  6. Step 6: Final answer
    x = 5,313.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.