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Finding the Fourth Proportional to 9,313,237.56, 13,978,865.76 and 6,722,213.64

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Solution

The fourth proportional to 9,313,237.56, 13,978,865.76 and 6,722,213.64 is: 10,089,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313,237.56 : 13,978,865.76 = 6,722,213.64 : x
  2. Step 2: Convert to fraction form
    9,313,237.56/13,978,865.76 = 6,722,213.64/x
  3. Step 3: Cross multiply
    9,313,237.56x = 13,978,865.76 × 6,722,213.64
  4. Step 4: Simplify right side
    9,313,237.56x = 93,968,922,083,600.95
  5. Step 5: Solve for x
    x = 93,968,922,083,600.95/9,313,237.56
  6. Step 6: Final answer
    x = 10,089,823.38

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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.