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Finding the Fourth Proportional to 8,398.26, 12,597.39 and 2,851.62

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Solution

The fourth proportional to 8,398.26, 12,597.39 and 2,851.62 is: 4,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.26 : 12,597.39 = 2,851.62 : x
  2. Step 2: Convert to fraction form
    8,398.26/12,597.39 = 2,851.62/x
  3. Step 3: Cross multiply
    8,398.26x = 12,597.39 × 2,851.62
  4. Step 4: Simplify right side
    8,398.26x = 35,922,969.27
  5. Step 5: Solve for x
    x = 35,922,969.27/8,398.26
  6. Step 6: Final answer
    x = 4,277.43

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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.