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Finding the Fourth Proportional to 8,556.39, 12,835.04 and 2,713.46

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Solution

The fourth proportional to 8,556.39, 12,835.04 and 2,713.46 is: 4,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.39 : 12,835.04 = 2,713.46 : x
  2. Step 2: Convert to fraction form
    8,556.39/12,835.04 = 2,713.46/x
  3. Step 3: Cross multiply
    8,556.39x = 12,835.04 × 2,713.46
  4. Step 4: Simplify right side
    8,556.39x = 34,827,289.90
  5. Step 5: Solve for x
    x = 34,827,289.90/8,556.39
  6. Step 6: Final answer
    x = 4,070.33

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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.