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Finding the Fourth Proportional to 5,818.45, 8,733.17 and 3,872.02

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Solution

The fourth proportional to 5,818.45, 8,733.17 and 3,872.02 is: 5,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.45 : 8,733.17 = 3,872.02 : x
  2. Step 2: Convert to fraction form
    5,818.45/8,733.17 = 3,872.02/x
  3. Step 3: Cross multiply
    5,818.45x = 8,733.17 × 3,872.02
  4. Step 4: Simplify right side
    5,818.45x = 33,815,008.90
  5. Step 5: Solve for x
    x = 33,815,008.90/5,818.45
  6. Step 6: Final answer
    x = 5,811.69

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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.