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Finding the Fourth Proportional to 5,713.52, 8,566.02 and 3,859.43

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Solution

The fourth proportional to 5,713.52, 8,566.02 and 3,859.43 is: 5,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.52 : 8,566.02 = 3,859.43 : x
  2. Step 2: Convert to fraction form
    5,713.52/8,566.02 = 3,859.43/x
  3. Step 3: Cross multiply
    5,713.52x = 8,566.02 × 3,859.43
  4. Step 4: Simplify right side
    5,713.52x = 33,059,911.74
  5. Step 5: Solve for x
    x = 33,059,911.74/5,713.52
  6. Step 6: Final answer
    x = 5,786.26

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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.