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Finding the Fourth Proportional to 6,369.57, 8,794.31 and 4,692.87

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Solution

The fourth proportional to 6,369.57, 8,794.31 and 4,692.87 is: 6,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.57 : 8,794.31 = 4,692.87 : x
  2. Step 2: Convert to fraction form
    6,369.57/8,794.31 = 4,692.87/x
  3. Step 3: Cross multiply
    6,369.57x = 8,794.31 × 4,692.87
  4. Step 4: Simplify right side
    6,369.57x = 41,270,530.11
  5. Step 5: Solve for x
    x = 41,270,530.11/6,369.57
  6. Step 6: Final answer
    x = 6,479.33

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1.5x scale

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.