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Finding the Fourth Proportional to 22,991.04, 34,488.99 and 9,839.88

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Solution

The fourth proportional to 22,991.04, 34,488.99 and 9,839.88 is: 14,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.04 : 34,488.99 = 9,839.88 : x
  2. Step 2: Convert to fraction form
    22,991.04/34,488.99 = 9,839.88/x
  3. Step 3: Cross multiply
    22,991.04x = 34,488.99 × 9,839.88
  4. Step 4: Simplify right side
    22,991.04x = 339,367,522.92
  5. Step 5: Solve for x
    x = 339,367,522.92/22,991.04
  6. Step 6: Final answer
    x = 14,760.86

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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.