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Finding the Fourth Proportional to 5,764,358.89, 7,954,846.55 and 3,150,866.49

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Solution

The fourth proportional to 5,764,358.89, 7,954,846.55 and 3,150,866.49 is: 4,348,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764,358.89 : 7,954,846.55 = 3,150,866.49 : x
  2. Step 2: Convert to fraction form
    5,764,358.89/7,954,846.55 = 3,150,866.49/x
  3. Step 3: Cross multiply
    5,764,358.89x = 7,954,846.55 × 3,150,866.49
  4. Step 4: Simplify right side
    5,764,358.89x = 25,064,659,427,487.11
  5. Step 5: Solve for x
    x = 25,064,659,427,487.11/5,764,358.89
  6. Step 6: Final answer
    x = 4,348,212.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.