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Finding the Fourth Proportional to 6,894,004.25, 9,515,401.74 and 3,992,926.88

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Solution

The fourth proportional to 6,894,004.25, 9,515,401.74 and 3,992,926.88 is: 5,511,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894,004.25 : 9,515,401.74 = 3,992,926.88 : x
  2. Step 2: Convert to fraction form
    6,894,004.25/9,515,401.74 = 3,992,926.88/x
  3. Step 3: Cross multiply
    6,894,004.25x = 9,515,401.74 × 3,992,926.88
  4. Step 4: Simplify right side
    6,894,004.25x = 37,994,303,334,067.77
  5. Step 5: Solve for x
    x = 37,994,303,334,067.77/6,894,004.25
  6. Step 6: Final answer
    x = 5,511,209.74

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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.