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Finding the Fourth Proportional to 6,379,362.72, 8,803,733.22 and 3,478,912.32

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Solution

The fourth proportional to 6,379,362.72, 8,803,733.22 and 3,478,912.32 is: 4,801,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379,362.72 : 8,803,733.22 = 3,478,912.32 : x
  2. Step 2: Convert to fraction form
    6,379,362.72/8,803,733.22 = 3,478,912.32/x
  3. Step 3: Cross multiply
    6,379,362.72x = 8,803,733.22 × 3,478,912.32
  4. Step 4: Simplify right side
    6,379,362.72x = 30,627,415,961,051.27
  5. Step 5: Solve for x
    x = 30,627,415,961,051.27/6,379,362.72
  6. Step 6: Final answer
    x = 4,801,014.98

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