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Finding the Fourth Proportional to 5,674,977.60, 8,498,469.60 and 3,771,412.80

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Solution

The fourth proportional to 5,674,977.60, 8,498,469.60 and 3,771,412.80 is: 5,647,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674,977.60 : 8,498,469.60 = 3,771,412.80 : x
  2. Step 2: Convert to fraction form
    5,674,977.60/8,498,469.60 = 3,771,412.80/x
  3. Step 3: Cross multiply
    5,674,977.60x = 8,498,469.60 × 3,771,412.80
  4. Step 4: Simplify right side
    5,674,977.60x = 32,051,237,029,850.88
  5. Step 5: Solve for x
    x = 32,051,237,029,850.88/5,674,977.60
  6. Step 6: Final answer
    x = 5,647,817.36

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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.