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Finding the Fourth Proportional to 5,892.35, 8,843.78 and 3,120.93

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Solution

The fourth proportional to 5,892.35, 8,843.78 and 3,120.93 is: 4,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.35 : 8,843.78 = 3,120.93 : x
  2. Step 2: Convert to fraction form
    5,892.35/8,843.78 = 3,120.93/x
  3. Step 3: Cross multiply
    5,892.35x = 8,843.78 × 3,120.93
  4. Step 4: Simplify right side
    5,892.35x = 27,600,826.12
  5. Step 5: Solve for x
    x = 27,600,826.12/5,892.35
  6. Step 6: Final answer
    x = 4,684.18

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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.