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Finding the Fourth Proportional to 5,912.46, 8,857.08 and 2,788.02

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Solution

The fourth proportional to 5,912.46, 8,857.08 and 2,788.02 is: 4,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.46 : 8,857.08 = 2,788.02 : x
  2. Step 2: Convert to fraction form
    5,912.46/8,857.08 = 2,788.02/x
  3. Step 3: Cross multiply
    5,912.46x = 8,857.08 × 2,788.02
  4. Step 4: Simplify right side
    5,912.46x = 24,693,716.18
  5. Step 5: Solve for x
    x = 24,693,716.18/5,912.46
  6. Step 6: Final answer
    x = 4,176.56

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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.