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Finding the Fourth Proportional to 5,728,012.80, 8,591,824.80 and 1,468,222.80

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Solution

The fourth proportional to 5,728,012.80, 8,591,824.80 and 1,468,222.80 is: 2,202,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,012.80 : 8,591,824.80 = 1,468,222.80 : x
  2. Step 2: Convert to fraction form
    5,728,012.80/8,591,824.80 = 1,468,222.80/x
  3. Step 3: Cross multiply
    5,728,012.80x = 8,591,824.80 × 1,468,222.80
  4. Step 4: Simplify right side
    5,728,012.80x = 12,614,713,064,965.44
  5. Step 5: Solve for x
    x = 12,614,713,064,965.44/5,728,012.80
  6. Step 6: Final answer
    x = 2,202,284.37

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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.