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Finding the Fourth Proportional to 8,184.70, 12,277.32 and 2,340.82

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Solution

The fourth proportional to 8,184.70, 12,277.32 and 2,340.82 is: 3,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.70 : 12,277.32 = 2,340.82 : x
  2. Step 2: Convert to fraction form
    8,184.70/12,277.32 = 2,340.82/x
  3. Step 3: Cross multiply
    8,184.70x = 12,277.32 × 2,340.82
  4. Step 4: Simplify right side
    8,184.70x = 28,738,996.20
  5. Step 5: Solve for x
    x = 28,738,996.20/8,184.70
  6. Step 6: Final answer
    x = 3,511.31

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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.