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Finding the Fourth Proportional to 2,536.61, 3,804.22 and 1,719.90

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Solution

The fourth proportional to 2,536.61, 3,804.22 and 1,719.90 is: 2,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536.61 : 3,804.22 = 1,719.90 : x
  2. Step 2: Convert to fraction form
    2,536.61/3,804.22 = 1,719.90/x
  3. Step 3: Cross multiply
    2,536.61x = 3,804.22 × 1,719.90
  4. Step 4: Simplify right side
    2,536.61x = 6,542,873.68
  5. Step 5: Solve for x
    x = 6,542,873.68/2,536.61
  6. Step 6: Final answer
    x = 2,579.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.