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Finding the Fourth Proportional to 22,664.20, 33,991.44 and 7,073.32

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Solution

The fourth proportional to 22,664.20, 33,991.44 and 7,073.32 is: 10,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.20 : 33,991.44 = 7,073.32 : x
  2. Step 2: Convert to fraction form
    22,664.20/33,991.44 = 7,073.32/x
  3. Step 3: Cross multiply
    22,664.20x = 33,991.44 × 7,073.32
  4. Step 4: Simplify right side
    22,664.20x = 240,432,332.38
  5. Step 5: Solve for x
    x = 240,432,332.38/22,664.20
  6. Step 6: Final answer
    x = 10,608.46

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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.