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Finding the Fourth Proportional to 2,626.89, 3,625.12 and 1,632.21

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Solution

The fourth proportional to 2,626.89, 3,625.12 and 1,632.21 is: 2,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.89 : 3,625.12 = 1,632.21 : x
  2. Step 2: Convert to fraction form
    2,626.89/3,625.12 = 1,632.21/x
  3. Step 3: Cross multiply
    2,626.89x = 3,625.12 × 1,632.21
  4. Step 4: Simplify right side
    2,626.89x = 5,916,957.12
  5. Step 5: Solve for x
    x = 5,916,957.12/2,626.89
  6. Step 6: Final answer
    x = 2,252.46

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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.