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Finding the Fourth Proportional to 22,663.03, 33,995.41 and 8,620.43

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Solution

The fourth proportional to 22,663.03, 33,995.41 and 8,620.43 is: 12,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.03 : 33,995.41 = 8,620.43 : x
  2. Step 2: Convert to fraction form
    22,663.03/33,995.41 = 8,620.43/x
  3. Step 3: Cross multiply
    22,663.03x = 33,995.41 × 8,620.43
  4. Step 4: Simplify right side
    22,663.03x = 293,055,115.66
  5. Step 5: Solve for x
    x = 293,055,115.66/22,663.03
  6. Step 6: Final answer
    x = 12,930.98

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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.