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Finding the Fourth Proportional to 8,236.69, 12,356.25 and 2,392.54

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Solution

The fourth proportional to 8,236.69, 12,356.25 and 2,392.54 is: 3,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.69 : 12,356.25 = 2,392.54 : x
  2. Step 2: Convert to fraction form
    8,236.69/12,356.25 = 2,392.54/x
  3. Step 3: Cross multiply
    8,236.69x = 12,356.25 × 2,392.54
  4. Step 4: Simplify right side
    8,236.69x = 29,562,822.38
  5. Step 5: Solve for x
    x = 29,562,822.38/8,236.69
  6. Step 6: Final answer
    x = 3,589.16

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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.