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Finding the Fourth Proportional to 23,318,713.03, 34,978,069.53 and 11,981,305.03

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Solution

The fourth proportional to 23,318,713.03, 34,978,069.53 and 11,981,305.03 is: 17,971,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318,713.03 : 34,978,069.53 = 11,981,305.03 : x
  2. Step 2: Convert to fraction form
    23,318,713.03/34,978,069.53 = 11,981,305.03/x
  3. Step 3: Cross multiply
    23,318,713.03x = 34,978,069.53 × 11,981,305.03
  4. Step 4: Simplify right side
    23,318,713.03x = 419,082,920,399,478.75
  5. Step 5: Solve for x
    x = 419,082,920,399,478.75/23,318,713.03
  6. Step 6: Final answer
    x = 17,971,957.54

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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.