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Finding the Fourth Proportional to 6,951,643.31, 9,593,835.86 and 3,855,136.43

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Solution

The fourth proportional to 6,951,643.31, 9,593,835.86 and 3,855,136.43 is: 5,320,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951,643.31 : 9,593,835.86 = 3,855,136.43 : x
  2. Step 2: Convert to fraction form
    6,951,643.31/9,593,835.86 = 3,855,136.43/x
  3. Step 3: Cross multiply
    6,951,643.31x = 9,593,835.86 × 3,855,136.43
  4. Step 4: Simplify right side
    6,951,643.31x = 36,985,546,088,995.04
  5. Step 5: Solve for x
    x = 36,985,546,088,995.04/6,951,643.31
  6. Step 6: Final answer
    x = 5,320,403.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.