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Finding the Fourth Proportional to 8,796,808.74, 13,191,072.21 and 3,407,982.42

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Solution

The fourth proportional to 8,796,808.74, 13,191,072.21 and 3,407,982.42 is: 5,110,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,808.74 : 13,191,072.21 = 3,407,982.42 : x
  2. Step 2: Convert to fraction form
    8,796,808.74/13,191,072.21 = 3,407,982.42/x
  3. Step 3: Cross multiply
    8,796,808.74x = 13,191,072.21 × 3,407,982.42
  4. Step 4: Simplify right side
    8,796,808.74x = 44,954,942,192,630.55
  5. Step 5: Solve for x
    x = 44,954,942,192,630.55/8,796,808.74
  6. Step 6: Final answer
    x = 5,110,369.40

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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.