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Finding the Fourth Proportional to 27,479.94, 41,224.77 and 8,764.08

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Solution

The fourth proportional to 27,479.94, 41,224.77 and 8,764.08 is: 13,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.94 : 41,224.77 = 8,764.08 : x
  2. Step 2: Convert to fraction form
    27,479.94/41,224.77 = 8,764.08/x
  3. Step 3: Cross multiply
    27,479.94x = 41,224.77 × 8,764.08
  4. Step 4: Simplify right side
    27,479.94x = 361,297,182.26
  5. Step 5: Solve for x
    x = 361,297,182.26/27,479.94
  6. Step 6: Final answer
    x = 13,147.67

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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.