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Finding the Fourth Proportional to 5,707.94, 8,562.94 and 1,811.44

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Solution

The fourth proportional to 5,707.94, 8,562.94 and 1,811.44 is: 2,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.94 : 8,562.94 = 1,811.44 : x
  2. Step 2: Convert to fraction form
    5,707.94/8,562.94 = 1,811.44/x
  3. Step 3: Cross multiply
    5,707.94x = 8,562.94 × 1,811.44
  4. Step 4: Simplify right side
    5,707.94x = 15,511,252.03
  5. Step 5: Solve for x
    x = 15,511,252.03/5,707.94
  6. Step 6: Final answer
    x = 2,717.49

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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.