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Finding the Fourth Proportional to 22,371.52, 33,568.08 and 9,890.08

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Solution

The fourth proportional to 22,371.52, 33,568.08 and 9,890.08 is: 14,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.52 : 33,568.08 = 9,890.08 : x
  2. Step 2: Convert to fraction form
    22,371.52/33,568.08 = 9,890.08/x
  3. Step 3: Cross multiply
    22,371.52x = 33,568.08 × 9,890.08
  4. Step 4: Simplify right side
    22,371.52x = 331,990,996.65
  5. Step 5: Solve for x
    x = 331,990,996.65/22,371.52
  6. Step 6: Final answer
    x = 14,839.89

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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.