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Finding the Fourth Proportional to 1,811.94, 2,716.10 and 1,593.24

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Solution

The fourth proportional to 1,811.94, 2,716.10 and 1,593.24 is: 2,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.94 : 2,716.10 = 1,593.24 : x
  2. Step 2: Convert to fraction form
    1,811.94/2,716.10 = 1,593.24/x
  3. Step 3: Cross multiply
    1,811.94x = 2,716.10 × 1,593.24
  4. Step 4: Simplify right side
    1,811.94x = 4,327,399.16
  5. Step 5: Solve for x
    x = 4,327,399.16/1,811.94
  6. Step 6: Final answer
    x = 2,388.27

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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.