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Finding the Fourth Proportional to 3,073.45, 4,609.11 and 1,901.66

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Solution

The fourth proportional to 3,073.45, 4,609.11 and 1,901.66 is: 2,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.45 : 4,609.11 = 1,901.66 : x
  2. Step 2: Convert to fraction form
    3,073.45/4,609.11 = 1,901.66/x
  3. Step 3: Cross multiply
    3,073.45x = 4,609.11 × 1,901.66
  4. Step 4: Simplify right side
    3,073.45x = 8,764,959.44
  5. Step 5: Solve for x
    x = 8,764,959.44/3,073.45
  6. Step 6: Final answer
    x = 2,851.83

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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.