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Finding the Fourth Proportional to 6,331,793.52, 8,738,034.72 and 3,885,755.52

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Solution

The fourth proportional to 6,331,793.52, 8,738,034.72 and 3,885,755.52 is: 5,362,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331,793.52 : 8,738,034.72 = 3,885,755.52 : x
  2. Step 2: Convert to fraction form
    6,331,793.52/8,738,034.72 = 3,885,755.52/x
  3. Step 3: Cross multiply
    6,331,793.52x = 8,738,034.72 × 3,885,755.52
  4. Step 4: Simplify right side
    6,331,793.52x = 33,953,866,647,191.66
  5. Step 5: Solve for x
    x = 33,953,866,647,191.66/6,331,793.52
  6. Step 6: Final answer
    x = 5,362,440.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.