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Finding the Fourth Proportional to 3,745.99, 5,619.23 and 2,203.75

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Solution

The fourth proportional to 3,745.99, 5,619.23 and 2,203.75 is: 3,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.99 : 5,619.23 = 2,203.75 : x
  2. Step 2: Convert to fraction form
    3,745.99/5,619.23 = 2,203.75/x
  3. Step 3: Cross multiply
    3,745.99x = 5,619.23 × 2,203.75
  4. Step 4: Simplify right side
    3,745.99x = 12,383,378.11
  5. Step 5: Solve for x
    x = 12,383,378.11/3,745.99
  6. Step 6: Final answer
    x = 3,305.77

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1.5x scale

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.