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Finding the Fourth Proportional to 6,674,872.86, 9,211,662.09 and 3,735,019.98

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Solution

The fourth proportional to 6,674,872.86, 9,211,662.09 and 3,735,019.98 is: 5,154,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674,872.86 : 9,211,662.09 = 3,735,019.98 : x
  2. Step 2: Convert to fraction form
    6,674,872.86/9,211,662.09 = 3,735,019.98/x
  3. Step 3: Cross multiply
    6,674,872.86x = 9,211,662.09 × 3,735,019.98
  4. Step 4: Simplify right side
    6,674,872.86x = 34,405,741,955,158.56
  5. Step 5: Solve for x
    x = 34,405,741,955,158.56/6,674,872.86
  6. Step 6: Final answer
    x = 5,154,516.45

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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.