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Finding the Fourth Proportional to 3,731,812.80, 5,589,424.80 and 3,068,260.80

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Solution

The fourth proportional to 3,731,812.80, 5,589,424.80 and 3,068,260.80 is: 4,595,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731,812.80 : 5,589,424.80 = 3,068,260.80 : x
  2. Step 2: Convert to fraction form
    3,731,812.80/5,589,424.80 = 3,068,260.80/x
  3. Step 3: Cross multiply
    3,731,812.80x = 5,589,424.80 × 3,068,260.80
  4. Step 4: Simplify right side
    3,731,812.80x = 17,149,813,008,387.84
  5. Step 5: Solve for x
    x = 17,149,813,008,387.84/3,731,812.80
  6. Step 6: Final answer
    x = 4,595,571.62

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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.