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Finding the Fourth Proportional to 6,887,698.56, 10,327,974.30 and 2,029,374.54

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Solution

The fourth proportional to 6,887,698.56, 10,327,974.30 and 2,029,374.54 is: 3,043,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887,698.56 : 10,327,974.30 = 2,029,374.54 : x
  2. Step 2: Convert to fraction form
    6,887,698.56/10,327,974.30 = 2,029,374.54/x
  3. Step 3: Cross multiply
    6,887,698.56x = 10,327,974.30 × 2,029,374.54
  4. Step 4: Simplify right side
    6,887,698.56x = 20,959,328,094,194.32
  5. Step 5: Solve for x
    x = 20,959,328,094,194.32/6,887,698.56
  6. Step 6: Final answer
    x = 3,043,008.91

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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.