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Finding the Fourth Proportional to 3,401.01, 4,693.16 and 1,908.63

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Solution

The fourth proportional to 3,401.01, 4,693.16 and 1,908.63 is: 2,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.01 : 4,693.16 = 1,908.63 : x
  2. Step 2: Convert to fraction form
    3,401.01/4,693.16 = 1,908.63/x
  3. Step 3: Cross multiply
    3,401.01x = 4,693.16 × 1,908.63
  4. Step 4: Simplify right side
    3,401.01x = 8,957,496.43
  5. Step 5: Solve for x
    x = 8,957,496.43/3,401.01
  6. Step 6: Final answer
    x = 2,633.78

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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.