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Finding the Fourth Proportional to 6,771.35, 9,344.94 and 3,787.46

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Solution

The fourth proportional to 6,771.35, 9,344.94 and 3,787.46 is: 5,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.35 : 9,344.94 = 3,787.46 : x
  2. Step 2: Convert to fraction form
    6,771.35/9,344.94 = 3,787.46/x
  3. Step 3: Cross multiply
    6,771.35x = 9,344.94 × 3,787.46
  4. Step 4: Simplify right side
    6,771.35x = 35,393,586.45
  5. Step 5: Solve for x
    x = 35,393,586.45/6,771.35
  6. Step 6: Final answer
    x = 5,226.96

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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.