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Finding the Fourth Proportional to 8,556.84, 12,832.14 and 3,626.82

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Solution

The fourth proportional to 8,556.84, 12,832.14 and 3,626.82 is: 5,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.84 : 12,832.14 = 3,626.82 : x
  2. Step 2: Convert to fraction form
    8,556.84/12,832.14 = 3,626.82/x
  3. Step 3: Cross multiply
    8,556.84x = 12,832.14 × 3,626.82
  4. Step 4: Simplify right side
    8,556.84x = 46,539,861.99
  5. Step 5: Solve for x
    x = 46,539,861.99/8,556.84
  6. Step 6: Final answer
    x = 5,438.91

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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.