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Finding the Fourth Proportional to 28,871.88, 43,310.27 and 8,095.38

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Solution

The fourth proportional to 28,871.88, 43,310.27 and 8,095.38 is: 12,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.88 : 43,310.27 = 8,095.38 : x
  2. Step 2: Convert to fraction form
    28,871.88/43,310.27 = 8,095.38/x
  3. Step 3: Cross multiply
    28,871.88x = 43,310.27 × 8,095.38
  4. Step 4: Simplify right side
    28,871.88x = 350,613,093.55
  5. Step 5: Solve for x
    x = 350,613,093.55/28,871.88
  6. Step 6: Final answer
    x = 12,143.76

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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.