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Finding the Fourth Proportional to 37,161.30, 55,748.70 and 12,194.40

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Solution

The fourth proportional to 37,161.30, 55,748.70 and 12,194.40 is: 18,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,161.30 : 55,748.70 = 12,194.40 : x
  2. Step 2: Convert to fraction form
    37,161.30/55,748.70 = 12,194.40/x
  3. Step 3: Cross multiply
    37,161.30x = 55,748.70 × 12,194.40
  4. Step 4: Simplify right side
    37,161.30x = 679,821,947.28
  5. Step 5: Solve for x
    x = 679,821,947.28/37,161.30
  6. Step 6: Final answer
    x = 18,293.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.