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Finding the Fourth Proportional to 5,786.67, 8,679.35 and 1,626.85

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Solution

The fourth proportional to 5,786.67, 8,679.35 and 1,626.85 is: 2,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.67 : 8,679.35 = 1,626.85 : x
  2. Step 2: Convert to fraction form
    5,786.67/8,679.35 = 1,626.85/x
  3. Step 3: Cross multiply
    5,786.67x = 8,679.35 × 1,626.85
  4. Step 4: Simplify right side
    5,786.67x = 14,120,015.46
  5. Step 5: Solve for x
    x = 14,120,015.46/5,786.67
  6. Step 6: Final answer
    x = 2,440.09

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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.