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Finding the Fourth Proportional to 7,994,562.60, 11,991,843.90 and 7,238,735.40

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Solution

The fourth proportional to 7,994,562.60, 11,991,843.90 and 7,238,735.40 is: 10,858,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994,562.60 : 11,991,843.90 = 7,238,735.40 : x
  2. Step 2: Convert to fraction form
    7,994,562.60/11,991,843.90 = 7,238,735.40/x
  3. Step 3: Cross multiply
    7,994,562.60x = 11,991,843.90 × 7,238,735.40
  4. Step 4: Simplify right side
    7,994,562.60x = 86,805,784,950,204.06
  5. Step 5: Solve for x
    x = 86,805,784,950,204.06/7,994,562.60
  6. Step 6: Final answer
    x = 10,858,103.10

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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.