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Finding the Fourth Proportional to 5,838.45, 8,753.22 and 2,918.81

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Solution

The fourth proportional to 5,838.45, 8,753.22 and 2,918.81 is: 4,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.45 : 8,753.22 = 2,918.81 : x
  2. Step 2: Convert to fraction form
    5,838.45/8,753.22 = 2,918.81/x
  3. Step 3: Cross multiply
    5,838.45x = 8,753.22 × 2,918.81
  4. Step 4: Simplify right side
    5,838.45x = 25,548,942.30
  5. Step 5: Solve for x
    x = 25,548,942.30/5,838.45
  6. Step 6: Final answer
    x = 4,375.98

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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.