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Finding the Fourth Proportional to 5,300.44, 7,950.66 and 2,991.94

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Solution

The fourth proportional to 5,300.44, 7,950.66 and 2,991.94 is: 4,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.44 : 7,950.66 = 2,991.94 : x
  2. Step 2: Convert to fraction form
    5,300.44/7,950.66 = 2,991.94/x
  3. Step 3: Cross multiply
    5,300.44x = 7,950.66 × 2,991.94
  4. Step 4: Simplify right side
    5,300.44x = 23,787,866.58
  5. Step 5: Solve for x
    x = 23,787,866.58/5,300.44
  6. Step 6: Final answer
    x = 4,487.91

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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.