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Finding the Fourth Proportional to 3,835.04, 5,755.12 and 2,104.88

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Solution

The fourth proportional to 3,835.04, 5,755.12 and 2,104.88 is: 3,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.04 : 5,755.12 = 2,104.88 : x
  2. Step 2: Convert to fraction form
    3,835.04/5,755.12 = 2,104.88/x
  3. Step 3: Cross multiply
    3,835.04x = 5,755.12 × 2,104.88
  4. Step 4: Simplify right side
    3,835.04x = 12,113,836.99
  5. Step 5: Solve for x
    x = 12,113,836.99/3,835.04
  6. Step 6: Final answer
    x = 3,158.73

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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.