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Finding the Fourth Proportional to 22,163.64, 33,257.87 and 11,775.12

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Solution

The fourth proportional to 22,163.64, 33,257.87 and 11,775.12 is: 17,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.64 : 33,257.87 = 11,775.12 : x
  2. Step 2: Convert to fraction form
    22,163.64/33,257.87 = 11,775.12/x
  3. Step 3: Cross multiply
    22,163.64x = 33,257.87 × 11,775.12
  4. Step 4: Simplify right side
    22,163.64x = 391,615,410.19
  5. Step 5: Solve for x
    x = 391,615,410.19/22,163.64
  6. Step 6: Final answer
    x = 17,669.27

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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.