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Finding the Fourth Proportional to 22,356,876.80, 33,511,695.60 and 12,751,572.80

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Solution

The fourth proportional to 22,356,876.80, 33,511,695.60 and 12,751,572.80 is: 19,113,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356,876.80 : 33,511,695.60 = 12,751,572.80 : x
  2. Step 2: Convert to fraction form
    22,356,876.80/33,511,695.60 = 12,751,572.80/x
  3. Step 3: Cross multiply
    22,356,876.80x = 33,511,695.60 × 12,751,572.80
  4. Step 4: Simplify right side
    22,356,876.80x = 427,326,826,094,839.75
  5. Step 5: Solve for x
    x = 427,326,826,094,839.75/22,356,876.80
  6. Step 6: Final answer
    x = 19,113,887.41

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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.