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Finding the Fourth Proportional to 7,795.14, 11,692.79 and 1,951.76

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Solution

The fourth proportional to 7,795.14, 11,692.79 and 1,951.76 is: 2,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.14 : 11,692.79 = 1,951.76 : x
  2. Step 2: Convert to fraction form
    7,795.14/11,692.79 = 1,951.76/x
  3. Step 3: Cross multiply
    7,795.14x = 11,692.79 × 1,951.76
  4. Step 4: Simplify right side
    7,795.14x = 22,821,546.60
  5. Step 5: Solve for x
    x = 22,821,546.60/7,795.14
  6. Step 6: Final answer
    x = 2,927.66

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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.