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Finding the Fourth Proportional to 3,194.67, 4,407.99 and 1,868.11

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Solution

The fourth proportional to 3,194.67, 4,407.99 and 1,868.11 is: 2,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.67 : 4,407.99 = 1,868.11 : x
  2. Step 2: Convert to fraction form
    3,194.67/4,407.99 = 1,868.11/x
  3. Step 3: Cross multiply
    3,194.67x = 4,407.99 × 1,868.11
  4. Step 4: Simplify right side
    3,194.67x = 8,234,632.73
  5. Step 5: Solve for x
    x = 8,234,632.73/3,194.67
  6. Step 6: Final answer
    x = 2,577.62

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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.