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Finding the Fourth Proportional to 5,811.68, 8,717.52 and 2,351.36

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Solution

The fourth proportional to 5,811.68, 8,717.52 and 2,351.36 is: 3,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.68 : 8,717.52 = 2,351.36 : x
  2. Step 2: Convert to fraction form
    5,811.68/8,717.52 = 2,351.36/x
  3. Step 3: Cross multiply
    5,811.68x = 8,717.52 × 2,351.36
  4. Step 4: Simplify right side
    5,811.68x = 20,498,027.83
  5. Step 5: Solve for x
    x = 20,498,027.83/5,811.68
  6. Step 6: Final answer
    x = 3,527.04

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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.