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Finding the Fourth Proportional to 6,682.91, 9,223.07 and 3,698.87

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Solution

The fourth proportional to 6,682.91, 9,223.07 and 3,698.87 is: 5,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.91 : 9,223.07 = 3,698.87 : x
  2. Step 2: Convert to fraction form
    6,682.91/9,223.07 = 3,698.87/x
  3. Step 3: Cross multiply
    6,682.91x = 9,223.07 × 3,698.87
  4. Step 4: Simplify right side
    6,682.91x = 34,114,872.32
  5. Step 5: Solve for x
    x = 34,114,872.32/6,682.91
  6. Step 6: Final answer
    x = 5,104.80

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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.