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Finding the Fourth Proportional to 8,294,595, 12,441,892.50 and 1,990,851

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Solution

The fourth proportional to 8,294,595, 12,441,892.50 and 1,990,851 is: 2,986,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294,595 : 12,441,892.50 = 1,990,851 : x
  2. Step 2: Convert to fraction form
    8,294,595/12,441,892.50 = 1,990,851/x
  3. Step 3: Cross multiply
    8,294,595x = 12,441,892.50 × 1,990,851
  4. Step 4: Simplify right side
    8,294,595x = 24,769,954,125,517.50
  5. Step 5: Solve for x
    x = 24,769,954,125,517.50/8,294,595
  6. Step 6: Final answer
    x = 2,986,276.50

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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.