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Finding the Fourth Proportional to 3,856,019.06, 5,784,678.87 and 1,296,625.61

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Solution

The fourth proportional to 3,856,019.06, 5,784,678.87 and 1,296,625.61 is: 1,945,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,019.06 : 5,784,678.87 = 1,296,625.61 : x
  2. Step 2: Convert to fraction form
    3,856,019.06/5,784,678.87 = 1,296,625.61/x
  3. Step 3: Cross multiply
    3,856,019.06x = 5,784,678.87 × 1,296,625.61
  4. Step 4: Simplify right side
    3,856,019.06x = 7,500,562,765,226.30
  5. Step 5: Solve for x
    x = 7,500,562,765,226.30/3,856,019.06
  6. Step 6: Final answer
    x = 1,945,157.08

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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.