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Finding the Fourth Proportional to 8,556.75, 12,835.49 and 2,713.23

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Solution

The fourth proportional to 8,556.75, 12,835.49 and 2,713.23 is: 4,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.75 : 12,835.49 = 2,713.23 : x
  2. Step 2: Convert to fraction form
    8,556.75/12,835.49 = 2,713.23/x
  3. Step 3: Cross multiply
    8,556.75x = 12,835.49 × 2,713.23
  4. Step 4: Simplify right side
    8,556.75x = 34,825,636.53
  5. Step 5: Solve for x
    x = 34,825,636.53/8,556.75
  6. Step 6: Final answer
    x = 4,069.96

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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.