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Finding the Fourth Proportional to 2,692.94, 4,040.42 and 1,050.62

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Solution

The fourth proportional to 2,692.94, 4,040.42 and 1,050.62 is: 1,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.94 : 4,040.42 = 1,050.62 : x
  2. Step 2: Convert to fraction form
    2,692.94/4,040.42 = 1,050.62/x
  3. Step 3: Cross multiply
    2,692.94x = 4,040.42 × 1,050.62
  4. Step 4: Simplify right side
    2,692.94x = 4,244,920.61
  5. Step 5: Solve for x
    x = 4,244,920.61/2,692.94
  6. Step 6: Final answer
    x = 1,576.32

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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.