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Finding the Fourth Proportional to 6,107.80, 8,425.95 and 3,589.85

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Solution

The fourth proportional to 6,107.80, 8,425.95 and 3,589.85 is: 4,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.80 : 8,425.95 = 3,589.85 : x
  2. Step 2: Convert to fraction form
    6,107.80/8,425.95 = 3,589.85/x
  3. Step 3: Cross multiply
    6,107.80x = 8,425.95 × 3,589.85
  4. Step 4: Simplify right side
    6,107.80x = 30,247,896.61
  5. Step 5: Solve for x
    x = 30,247,896.61/6,107.80
  6. Step 6: Final answer
    x = 4,952.34

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Half scale
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Double scale
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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.