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Finding the Fourth Proportional to 33,409,991.20, 50,114,986.80 and 16,403,879.20

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Solution

The fourth proportional to 33,409,991.20, 50,114,986.80 and 16,403,879.20 is: 24,605,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,409,991.20 : 50,114,986.80 = 16,403,879.20 : x
  2. Step 2: Convert to fraction form
    33,409,991.20/50,114,986.80 = 16,403,879.20/x
  3. Step 3: Cross multiply
    33,409,991.20x = 50,114,986.80 × 16,403,879.20
  4. Step 4: Simplify right side
    33,409,991.20x = 822,080,189,576,794.50
  5. Step 5: Solve for x
    x = 822,080,189,576,794.50/33,409,991.20
  6. Step 6: Final answer
    x = 24,605,818.80

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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.