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Finding the Fourth Proportional to 4,892,873.60, 7,339,310.40 and 4,451,974.40

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Solution

The fourth proportional to 4,892,873.60, 7,339,310.40 and 4,451,974.40 is: 6,677,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892,873.60 : 7,339,310.40 = 4,451,974.40 : x
  2. Step 2: Convert to fraction form
    4,892,873.60/7,339,310.40 = 4,451,974.40/x
  3. Step 3: Cross multiply
    4,892,873.60x = 7,339,310.40 × 4,451,974.40
  4. Step 4: Simplify right side
    4,892,873.60x = 32,674,422,014,453.77
  5. Step 5: Solve for x
    x = 32,674,422,014,453.77/4,892,873.60
  6. Step 6: Final answer
    x = 6,677,961.60

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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.