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Finding the Fourth Proportional to 6,743,605.86, 9,305,987.13 and 3,687,754.50

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Solution

The fourth proportional to 6,743,605.86, 9,305,987.13 and 3,687,754.50 is: 5,088,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743,605.86 : 9,305,987.13 = 3,687,754.50 : x
  2. Step 2: Convert to fraction form
    6,743,605.86/9,305,987.13 = 3,687,754.50/x
  3. Step 3: Cross multiply
    6,743,605.86x = 9,305,987.13 × 3,687,754.50
  4. Step 4: Simplify right side
    6,743,605.86x = 34,318,195,915,599.59
  5. Step 5: Solve for x
    x = 34,318,195,915,599.59/6,743,605.86
  6. Step 6: Final answer
    x = 5,088,997.88

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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.