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Finding the Fourth Proportional to 7,571.88, 11,349.72 and 3,826.44

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Solution

The fourth proportional to 7,571.88, 11,349.72 and 3,826.44 is: 5,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.88 : 11,349.72 = 3,826.44 : x
  2. Step 2: Convert to fraction form
    7,571.88/11,349.72 = 3,826.44/x
  3. Step 3: Cross multiply
    7,571.88x = 11,349.72 × 3,826.44
  4. Step 4: Simplify right side
    7,571.88x = 43,429,022.60
  5. Step 5: Solve for x
    x = 43,429,022.60/7,571.88
  6. Step 6: Final answer
    x = 5,735.57

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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.