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Finding the Fourth Proportional to 1,933.98, 2,672.31 and 1,544.22

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Solution

The fourth proportional to 1,933.98, 2,672.31 and 1,544.22 is: 2,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.98 : 2,672.31 = 1,544.22 : x
  2. Step 2: Convert to fraction form
    1,933.98/2,672.31 = 1,544.22/x
  3. Step 3: Cross multiply
    1,933.98x = 2,672.31 × 1,544.22
  4. Step 4: Simplify right side
    1,933.98x = 4,126,634.55
  5. Step 5: Solve for x
    x = 4,126,634.55/1,933.98
  6. Step 6: Final answer
    x = 2,133.75

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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.