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Finding the Fourth Proportional to 22,018.63, 33,043.01 and 8,872.03

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Solution

The fourth proportional to 22,018.63, 33,043.01 and 8,872.03 is: 13,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.63 : 33,043.01 = 8,872.03 : x
  2. Step 2: Convert to fraction form
    22,018.63/33,043.01 = 8,872.03/x
  3. Step 3: Cross multiply
    22,018.63x = 33,043.01 × 8,872.03
  4. Step 4: Simplify right side
    22,018.63x = 293,158,576.01
  5. Step 5: Solve for x
    x = 293,158,576.01/22,018.63
  6. Step 6: Final answer
    x = 13,314.12

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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.