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Finding the Fourth Proportional to 6,692.32, 10,040.64 and 2,797.84

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Solution

The fourth proportional to 6,692.32, 10,040.64 and 2,797.84 is: 4,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.32 : 10,040.64 = 2,797.84 : x
  2. Step 2: Convert to fraction form
    6,692.32/10,040.64 = 2,797.84/x
  3. Step 3: Cross multiply
    6,692.32x = 10,040.64 × 2,797.84
  4. Step 4: Simplify right side
    6,692.32x = 28,092,104.22
  5. Step 5: Solve for x
    x = 28,092,104.22/6,692.32
  6. Step 6: Final answer
    x = 4,197.66

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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.