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Finding the Fourth Proportional to 5,874.37, 8,794.28 and 3,788.21

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Solution

The fourth proportional to 5,874.37, 8,794.28 and 3,788.21 is: 5,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.37 : 8,794.28 = 3,788.21 : x
  2. Step 2: Convert to fraction form
    5,874.37/8,794.28 = 3,788.21/x
  3. Step 3: Cross multiply
    5,874.37x = 8,794.28 × 3,788.21
  4. Step 4: Simplify right side
    5,874.37x = 33,314,610.90
  5. Step 5: Solve for x
    x = 33,314,610.90/5,874.37
  6. Step 6: Final answer
    x = 5,671.18

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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.