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Finding the Fourth Proportional to 3,579.96, 4,940.43 and 2,008.17

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Solution

The fourth proportional to 3,579.96, 4,940.43 and 2,008.17 is: 2,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.96 : 4,940.43 = 2,008.17 : x
  2. Step 2: Convert to fraction form
    3,579.96/4,940.43 = 2,008.17/x
  3. Step 3: Cross multiply
    3,579.96x = 4,940.43 × 2,008.17
  4. Step 4: Simplify right side
    3,579.96x = 9,921,223.31
  5. Step 5: Solve for x
    x = 9,921,223.31/3,579.96
  6. Step 6: Final answer
    x = 2,771.32

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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.