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Finding the Fourth Proportional to 22,201.82, 33,303.09 and 7,410.81

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Solution

The fourth proportional to 22,201.82, 33,303.09 and 7,410.81 is: 11,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.82 : 33,303.09 = 7,410.81 : x
  2. Step 2: Convert to fraction form
    22,201.82/33,303.09 = 7,410.81/x
  3. Step 3: Cross multiply
    22,201.82x = 33,303.09 × 7,410.81
  4. Step 4: Simplify right side
    22,201.82x = 246,802,872.40
  5. Step 5: Solve for x
    x = 246,802,872.40/22,201.82
  6. Step 6: Final answer
    x = 11,116.34

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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.