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Finding the Fourth Proportional to 3,604.70, 4,974.93 and 2,113.18

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Solution

The fourth proportional to 3,604.70, 4,974.93 and 2,113.18 is: 2,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.70 : 4,974.93 = 2,113.18 : x
  2. Step 2: Convert to fraction form
    3,604.70/4,974.93 = 2,113.18/x
  3. Step 3: Cross multiply
    3,604.70x = 4,974.93 × 2,113.18
  4. Step 4: Simplify right side
    3,604.70x = 10,512,910.14
  5. Step 5: Solve for x
    x = 10,512,910.14/3,604.70
  6. Step 6: Final answer
    x = 2,916.44

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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.