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Finding the Fourth Proportional to 37,208.90, 55,821.03 and 12,250.44

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Solution

The fourth proportional to 37,208.90, 55,821.03 and 12,250.44 is: 18,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,208.90 : 55,821.03 = 12,250.44 : x
  2. Step 2: Convert to fraction form
    37,208.90/55,821.03 = 12,250.44/x
  3. Step 3: Cross multiply
    37,208.90x = 55,821.03 × 12,250.44
  4. Step 4: Simplify right side
    37,208.90x = 683,832,201.72
  5. Step 5: Solve for x
    x = 683,832,201.72/37,208.90
  6. Step 6: Final answer
    x = 18,378.19

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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.