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Finding the Fourth Proportional to 5,692.92, 8,538.12 and 1,796.64

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Solution

The fourth proportional to 5,692.92, 8,538.12 and 1,796.64 is: 2,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.92 : 8,538.12 = 1,796.64 : x
  2. Step 2: Convert to fraction form
    5,692.92/8,538.12 = 1,796.64/x
  3. Step 3: Cross multiply
    5,692.92x = 8,538.12 × 1,796.64
  4. Step 4: Simplify right side
    5,692.92x = 15,339,927.92
  5. Step 5: Solve for x
    x = 15,339,927.92/5,692.92
  6. Step 6: Final answer
    x = 2,694.56

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1.5x scale

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.