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Finding the Fourth Proportional to 3,604.92, 4,974.60 and 2,011.50

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Solution

The fourth proportional to 3,604.92, 4,974.60 and 2,011.50 is: 2,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.92 : 4,974.60 = 2,011.50 : x
  2. Step 2: Convert to fraction form
    3,604.92/4,974.60 = 2,011.50/x
  3. Step 3: Cross multiply
    3,604.92x = 4,974.60 × 2,011.50
  4. Step 4: Simplify right side
    3,604.92x = 10,006,407.90
  5. Step 5: Solve for x
    x = 10,006,407.90/3,604.92
  6. Step 6: Final answer
    x = 2,775.76

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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.