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Finding the Fourth Proportional to 3,605.42, 4,974.81 and 2,033.21

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Solution

The fourth proportional to 3,605.42, 4,974.81 and 2,033.21 is: 2,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.42 : 4,974.81 = 2,033.21 : x
  2. Step 2: Convert to fraction form
    3,605.42/4,974.81 = 2,033.21/x
  3. Step 3: Cross multiply
    3,605.42x = 4,974.81 × 2,033.21
  4. Step 4: Simplify right side
    3,605.42x = 10,114,833.44
  5. Step 5: Solve for x
    x = 10,114,833.44/3,605.42
  6. Step 6: Final answer
    x = 2,805.45

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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.