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Finding the Fourth Proportional to 3,043.58, 4,573.92 and 1,811.22

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Solution

The fourth proportional to 3,043.58, 4,573.92 and 1,811.22 is: 2,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.58 : 4,573.92 = 1,811.22 : x
  2. Step 2: Convert to fraction form
    3,043.58/4,573.92 = 1,811.22/x
  3. Step 3: Cross multiply
    3,043.58x = 4,573.92 × 1,811.22
  4. Step 4: Simplify right side
    3,043.58x = 8,284,375.38
  5. Step 5: Solve for x
    x = 8,284,375.38/3,043.58
  6. Step 6: Final answer
    x = 2,721.92

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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.