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Finding the Fourth Proportional to 44,638.68, 66,916.98 and 22,144.44

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Solution

The fourth proportional to 44,638.68, 66,916.98 and 22,144.44 is: 33,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,638.68 : 66,916.98 = 22,144.44 : x
  2. Step 2: Convert to fraction form
    44,638.68/66,916.98 = 22,144.44/x
  3. Step 3: Cross multiply
    44,638.68x = 66,916.98 × 22,144.44
  4. Step 4: Simplify right side
    44,638.68x = 1,481,839,048.59
  5. Step 5: Solve for x
    x = 1,481,839,048.59/44,638.68
  6. Step 6: Final answer
    x = 33,196.30

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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.