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Finding the Fourth Proportional to 33,642,100.40, 50,463,150.60 and 20,728,084.10

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Solution

The fourth proportional to 33,642,100.40, 50,463,150.60 and 20,728,084.10 is: 31,092,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642,100.40 : 50,463,150.60 = 20,728,084.10 : x
  2. Step 2: Convert to fraction form
    33,642,100.40/50,463,150.60 = 20,728,084.10/x
  3. Step 3: Cross multiply
    33,642,100.40x = 50,463,150.60 × 20,728,084.10
  4. Step 4: Simplify right side
    33,642,100.40x = 1,046,004,429,587,765.62
  5. Step 5: Solve for x
    x = 1,046,004,429,587,765.62/33,642,100.40
  6. Step 6: Final answer
    x = 31,092,126.15

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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.