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Finding the Fourth Proportional to 8,606.52, 12,909.38 and 2,762.37

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Solution

The fourth proportional to 8,606.52, 12,909.38 and 2,762.37 is: 4,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.52 : 12,909.38 = 2,762.37 : x
  2. Step 2: Convert to fraction form
    8,606.52/12,909.38 = 2,762.37/x
  3. Step 3: Cross multiply
    8,606.52x = 12,909.38 × 2,762.37
  4. Step 4: Simplify right side
    8,606.52x = 35,660,470.22
  5. Step 5: Solve for x
    x = 35,660,470.22/8,606.52
  6. Step 6: Final answer
    x = 4,143.43

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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.