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Finding the Fourth Proportional to 5,589,892.80, 8,383,866.40 and 1,803,375.68

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Solution

The fourth proportional to 5,589,892.80, 8,383,866.40 and 1,803,375.68 is: 2,704,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589,892.80 : 8,383,866.40 = 1,803,375.68 : x
  2. Step 2: Convert to fraction form
    5,589,892.80/8,383,866.40 = 1,803,375.68/x
  3. Step 3: Cross multiply
    5,589,892.80x = 8,383,866.40 × 1,803,375.68
  4. Step 4: Simplify right side
    5,589,892.80x = 15,119,260,770,129.15
  5. Step 5: Solve for x
    x = 15,119,260,770,129.15/5,589,892.80
  6. Step 6: Final answer
    x = 2,704,749.68

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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.