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Finding the Fourth Proportional to 5,834.45, 8,751.69 and 3,872.63

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Solution

The fourth proportional to 5,834.45, 8,751.69 and 3,872.63 is: 5,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,834.45 : 8,751.69 = 3,872.63 : x
  2. Step 2: Convert to fraction form
    5,834.45/8,751.69 = 3,872.63/x
  3. Step 3: Cross multiply
    5,834.45x = 8,751.69 × 3,872.63
  4. Step 4: Simplify right side
    5,834.45x = 33,892,079.12
  5. Step 5: Solve for x
    x = 33,892,079.12/5,834.45
  6. Step 6: Final answer
    x = 5,808.96

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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.