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Finding the Fourth Proportional to 6,939.34, 10,414.74 and 4,439.34

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Solution

The fourth proportional to 6,939.34, 10,414.74 and 4,439.34 is: 6,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.34 : 10,414.74 = 4,439.34 : x
  2. Step 2: Convert to fraction form
    6,939.34/10,414.74 = 4,439.34/x
  3. Step 3: Cross multiply
    6,939.34x = 10,414.74 × 4,439.34
  4. Step 4: Simplify right side
    6,939.34x = 46,234,588.52
  5. Step 5: Solve for x
    x = 46,234,588.52/6,939.34
  6. Step 6: Final answer
    x = 6,662.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.