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Finding the Fourth Proportional to 6,463,388.98, 9,696,502.46 and 1,914,793.89

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Solution

The fourth proportional to 6,463,388.98, 9,696,502.46 and 1,914,793.89 is: 2,872,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,388.98 : 9,696,502.46 = 1,914,793.89 : x
  2. Step 2: Convert to fraction form
    6,463,388.98/9,696,502.46 = 1,914,793.89/x
  3. Step 3: Cross multiply
    6,463,388.98x = 9,696,502.46 × 1,914,793.89
  4. Step 4: Simplify right side
    6,463,388.98x = 18,566,803,664,777.97
  5. Step 5: Solve for x
    x = 18,566,803,664,777.97/6,463,388.98
  6. Step 6: Final answer
    x = 2,872,611.21

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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.