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Finding the Fourth Proportional to 8,516.52, 12,776.40 and 2,674.80

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Solution

The fourth proportional to 8,516.52, 12,776.40 and 2,674.80 is: 4,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.52 : 12,776.40 = 2,674.80 : x
  2. Step 2: Convert to fraction form
    8,516.52/12,776.40 = 2,674.80/x
  3. Step 3: Cross multiply
    8,516.52x = 12,776.40 × 2,674.80
  4. Step 4: Simplify right side
    8,516.52x = 34,174,314.72
  5. Step 5: Solve for x
    x = 34,174,314.72/8,516.52
  6. Step 6: Final answer
    x = 4,012.71

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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.