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Finding the Fourth Proportional to 47,389,536, 71,084,304 and 11,487,744

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Solution

The fourth proportional to 47,389,536, 71,084,304 and 11,487,744 is: 17,231,616

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,536 : 71,084,304 = 11,487,744 : x
  2. Step 2: Convert to fraction form
    47,389,536/71,084,304 = 11,487,744/x
  3. Step 3: Cross multiply
    47,389,536x = 71,084,304 × 11,487,744
  4. Step 4: Simplify right side
    47,389,536x = 816,598,286,770,176
  5. Step 5: Solve for x
    x = 816,598,286,770,176/47,389,536
  6. Step 6: Final answer
    x = 17,231,616

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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.