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Finding the Fourth Proportional to 2,659.01, 3,961.24 and 2,539.07

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Solution

The fourth proportional to 2,659.01, 3,961.24 and 2,539.07 is: 3,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.01 : 3,961.24 = 2,539.07 : x
  2. Step 2: Convert to fraction form
    2,659.01/3,961.24 = 2,539.07/x
  3. Step 3: Cross multiply
    2,659.01x = 3,961.24 × 2,539.07
  4. Step 4: Simplify right side
    2,659.01x = 10,057,860.13
  5. Step 5: Solve for x
    x = 10,057,860.13/2,659.01
  6. Step 6: Final answer
    x = 3,782.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.