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Finding the Fourth Proportional to 3,969,519.98, 5,948,763.87 and 2,072,477.30

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Solution

The fourth proportional to 3,969,519.98, 5,948,763.87 and 2,072,477.30 is: 3,105,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,519.98 : 5,948,763.87 = 2,072,477.30 : x
  2. Step 2: Convert to fraction form
    3,969,519.98/5,948,763.87 = 2,072,477.30/x
  3. Step 3: Cross multiply
    3,969,519.98x = 5,948,763.87 × 2,072,477.30
  4. Step 4: Simplify right side
    3,969,519.98x = 12,328,678,083,635.15
  5. Step 5: Solve for x
    x = 12,328,678,083,635.15/3,969,519.98
  6. Step 6: Final answer
    x = 3,105,836.01

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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.