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Finding the Fourth Proportional to 8,467.55, 12,702.87 and 2,844.65

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Solution

The fourth proportional to 8,467.55, 12,702.87 and 2,844.65 is: 4,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.55 : 12,702.87 = 2,844.65 : x
  2. Step 2: Convert to fraction form
    8,467.55/12,702.87 = 2,844.65/x
  3. Step 3: Cross multiply
    8,467.55x = 12,702.87 × 2,844.65
  4. Step 4: Simplify right side
    8,467.55x = 36,135,219.15
  5. Step 5: Solve for x
    x = 36,135,219.15/8,467.55
  6. Step 6: Final answer
    x = 4,267.49

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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.