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Finding the Fourth Proportional to 8,359.52, 12,540.96 and 2,516.64

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Solution

The fourth proportional to 8,359.52, 12,540.96 and 2,516.64 is: 3,775.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.52 : 12,540.96 = 2,516.64 : x
  2. Step 2: Convert to fraction form
    8,359.52/12,540.96 = 2,516.64/x
  3. Step 3: Cross multiply
    8,359.52x = 12,540.96 × 2,516.64
  4. Step 4: Simplify right side
    8,359.52x = 31,561,081.57
  5. Step 5: Solve for x
    x = 31,561,081.57/8,359.52
  6. Step 6: Final answer
    x = 3,775.47

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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.