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Finding the Fourth Proportional to 3,604.74, 4,974.18 and 2,661.04

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Solution

The fourth proportional to 3,604.74, 4,974.18 and 2,661.04 is: 3,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.74 : 4,974.18 = 2,661.04 : x
  2. Step 2: Convert to fraction form
    3,604.74/4,974.18 = 2,661.04/x
  3. Step 3: Cross multiply
    3,604.74x = 4,974.18 × 2,661.04
  4. Step 4: Simplify right side
    3,604.74x = 13,236,491.95
  5. Step 5: Solve for x
    x = 13,236,491.95/3,604.74
  6. Step 6: Final answer
    x = 3,671.97

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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.