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Finding the Fourth Proportional to 6,081.81, 8,392.84 and 3,393

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Solution

The fourth proportional to 6,081.81, 8,392.84 and 3,393 is: 4,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.81 : 8,392.84 = 3,393 : x
  2. Step 2: Convert to fraction form
    6,081.81/8,392.84 = 3,393/x
  3. Step 3: Cross multiply
    6,081.81x = 8,392.84 × 3,393
  4. Step 4: Simplify right side
    6,081.81x = 28,476,906.12
  5. Step 5: Solve for x
    x = 28,476,906.12/6,081.81
  6. Step 6: Final answer
    x = 4,682.31

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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.