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Finding the Fourth Proportional to 2,692.08, 3,709.94 and 2,318.94

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Solution

The fourth proportional to 2,692.08, 3,709.94 and 2,318.94 is: 3,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.08 : 3,709.94 = 2,318.94 : x
  2. Step 2: Convert to fraction form
    2,692.08/3,709.94 = 2,318.94/x
  3. Step 3: Cross multiply
    2,692.08x = 3,709.94 × 2,318.94
  4. Step 4: Simplify right side
    2,692.08x = 8,603,116.67
  5. Step 5: Solve for x
    x = 8,603,116.67/2,692.08
  6. Step 6: Final answer
    x = 3,195.71

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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.