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Finding the Fourth Proportional to 7,795.80, 11,692.30 and 2,247.78

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Solution

The fourth proportional to 7,795.80, 11,692.30 and 2,247.78 is: 3,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.80 : 11,692.30 = 2,247.78 : x
  2. Step 2: Convert to fraction form
    7,795.80/11,692.30 = 2,247.78/x
  3. Step 3: Cross multiply
    7,795.80x = 11,692.30 × 2,247.78
  4. Step 4: Simplify right side
    7,795.80x = 26,281,736.09
  5. Step 5: Solve for x
    x = 26,281,736.09/7,795.80
  6. Step 6: Final answer
    x = 3,371.27

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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.