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Finding the Fourth Proportional to 8,608.92, 12,911.01 and 2,367.47

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Solution

The fourth proportional to 8,608.92, 12,911.01 and 2,367.47 is: 3,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.92 : 12,911.01 = 2,367.47 : x
  2. Step 2: Convert to fraction form
    8,608.92/12,911.01 = 2,367.47/x
  3. Step 3: Cross multiply
    8,608.92x = 12,911.01 × 2,367.47
  4. Step 4: Simplify right side
    8,608.92x = 30,566,364.29
  5. Step 5: Solve for x
    x = 30,566,364.29/8,608.92
  6. Step 6: Final answer
    x = 3,550.55

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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.