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Finding the Fourth Proportional to 5,890.72, 8,836.08 and 2,768.43

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Solution

The fourth proportional to 5,890.72, 8,836.08 and 2,768.43 is: 4,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.72 : 8,836.08 = 2,768.43 : x
  2. Step 2: Convert to fraction form
    5,890.72/8,836.08 = 2,768.43/x
  3. Step 3: Cross multiply
    5,890.72x = 8,836.08 × 2,768.43
  4. Step 4: Simplify right side
    5,890.72x = 24,462,091.04
  5. Step 5: Solve for x
    x = 24,462,091.04/5,890.72
  6. Step 6: Final answer
    x = 4,152.65

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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.