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Finding the Fourth Proportional to 8,252.87, 12,379.71 and 2,703.97

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Solution

The fourth proportional to 8,252.87, 12,379.71 and 2,703.97 is: 4,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.87 : 12,379.71 = 2,703.97 : x
  2. Step 2: Convert to fraction form
    8,252.87/12,379.71 = 2,703.97/x
  3. Step 3: Cross multiply
    8,252.87x = 12,379.71 × 2,703.97
  4. Step 4: Simplify right side
    8,252.87x = 33,474,302.55
  5. Step 5: Solve for x
    x = 33,474,302.55/8,252.87
  6. Step 6: Final answer
    x = 4,056.08

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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.