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Finding the Fourth Proportional to 22,356,874.80, 33,511,692.60 and 12,751,570.80

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Solution

The fourth proportional to 22,356,874.80, 33,511,692.60 and 12,751,570.80 is: 19,113,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356,874.80 : 33,511,692.60 = 12,751,570.80 : x
  2. Step 2: Convert to fraction form
    22,356,874.80/33,511,692.60 = 12,751,570.80/x
  3. Step 3: Cross multiply
    22,356,874.80x = 33,511,692.60 × 12,751,570.80
  4. Step 4: Simplify right side
    22,356,874.80x = 427,326,720,816,736.12
  5. Step 5: Solve for x
    x = 427,326,720,816,736.12/22,356,874.80
  6. Step 6: Final answer
    x = 19,113,884.42

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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.