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Finding the Fourth Proportional to 2,673.84, 3,690.24 and 1,626.48

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Solution

The fourth proportional to 2,673.84, 3,690.24 and 1,626.48 is: 2,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.84 : 3,690.24 = 1,626.48 : x
  2. Step 2: Convert to fraction form
    2,673.84/3,690.24 = 1,626.48/x
  3. Step 3: Cross multiply
    2,673.84x = 3,690.24 × 1,626.48
  4. Step 4: Simplify right side
    2,673.84x = 6,002,101.56
  5. Step 5: Solve for x
    x = 6,002,101.56/2,673.84
  6. Step 6: Final answer
    x = 2,244.75

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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.