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Finding the Fourth Proportional to 22,440.06, 33,664.08 and 7,448.08

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Solution

The fourth proportional to 22,440.06, 33,664.08 and 7,448.08 is: 11,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.06 : 33,664.08 = 7,448.08 : x
  2. Step 2: Convert to fraction form
    22,440.06/33,664.08 = 7,448.08/x
  3. Step 3: Cross multiply
    22,440.06x = 33,664.08 × 7,448.08
  4. Step 4: Simplify right side
    22,440.06x = 250,732,760.97
  5. Step 5: Solve for x
    x = 250,732,760.97/22,440.06
  6. Step 6: Final answer
    x = 11,173.44

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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.