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Finding the Fourth Proportional to 13,163.99, 19,745.48 and 3,303.33

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Solution

The fourth proportional to 13,163.99, 19,745.48 and 3,303.33 is: 4,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.99 : 19,745.48 = 3,303.33 : x
  2. Step 2: Convert to fraction form
    13,163.99/19,745.48 = 3,303.33/x
  3. Step 3: Cross multiply
    13,163.99x = 19,745.48 × 3,303.33
  4. Step 4: Simplify right side
    13,163.99x = 65,225,819.93
  5. Step 5: Solve for x
    x = 65,225,819.93/13,163.99
  6. Step 6: Final answer
    x = 4,954.87

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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.