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Finding the Fourth Proportional to 9,354,463.74, 12,902,046.66 and 8,049,914.60

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Solution

The fourth proportional to 9,354,463.74, 12,902,046.66 and 8,049,914.60 is: 11,102,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354,463.74 : 12,902,046.66 = 8,049,914.60 : x
  2. Step 2: Convert to fraction form
    9,354,463.74/12,902,046.66 = 8,049,914.60/x
  3. Step 3: Cross multiply
    9,354,463.74x = 12,902,046.66 × 8,049,914.60
  4. Step 4: Simplify right side
    9,354,463.74x = 103,860,373,713,705
  5. Step 5: Solve for x
    x = 103,860,373,713,705/9,354,463.74
  6. Step 6: Final answer
    x = 11,102,760.84

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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.