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Finding the Fourth Proportional to 3,982,707.03, 5,978,491.65 and 2,063,105.85

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Solution

The fourth proportional to 3,982,707.03, 5,978,491.65 and 2,063,105.85 is: 3,096,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,707.03 : 5,978,491.65 = 2,063,105.85 : x
  2. Step 2: Convert to fraction form
    3,982,707.03/5,978,491.65 = 2,063,105.85/x
  3. Step 3: Cross multiply
    3,982,707.03x = 5,978,491.65 × 2,063,105.85
  4. Step 4: Simplify right side
    3,982,707.03x = 12,334,261,097,291.15
  5. Step 5: Solve for x
    x = 12,334,261,097,291.15/3,982,707.03
  6. Step 6: Final answer
    x = 3,096,954.16

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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.