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Finding the Fourth Proportional to 5,785.98, 8,678.97 and 1,626.41

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Solution

The fourth proportional to 5,785.98, 8,678.97 and 1,626.41 is: 2,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.98 : 8,678.97 = 1,626.41 : x
  2. Step 2: Convert to fraction form
    5,785.98/8,678.97 = 1,626.41/x
  3. Step 3: Cross multiply
    5,785.98x = 8,678.97 × 1,626.41
  4. Step 4: Simplify right side
    5,785.98x = 14,115,571.56
  5. Step 5: Solve for x
    x = 14,115,571.56/5,785.98
  6. Step 6: Final answer
    x = 2,439.62

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Double scale
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Similar ratio
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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.