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Finding the Fourth Proportional to 8,556.34, 12,834.96 and 2,713.40

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Solution

The fourth proportional to 8,556.34, 12,834.96 and 2,713.40 is: 4,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.34 : 12,834.96 = 2,713.40 : x
  2. Step 2: Convert to fraction form
    8,556.34/12,834.96 = 2,713.40/x
  3. Step 3: Cross multiply
    8,556.34x = 12,834.96 × 2,713.40
  4. Step 4: Simplify right side
    8,556.34x = 34,826,422.73
  5. Step 5: Solve for x
    x = 34,826,422.73/8,556.34
  6. Step 6: Final answer
    x = 4,070.25

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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.