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Finding the Fourth Proportional to 8,387.93, 12,581.97 and 2,544.54

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Solution

The fourth proportional to 8,387.93, 12,581.97 and 2,544.54 is: 3,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.93 : 12,581.97 = 2,544.54 : x
  2. Step 2: Convert to fraction form
    8,387.93/12,581.97 = 2,544.54/x
  3. Step 3: Cross multiply
    8,387.93x = 12,581.97 × 2,544.54
  4. Step 4: Simplify right side
    8,387.93x = 32,015,315.34
  5. Step 5: Solve for x
    x = 32,015,315.34/8,387.93
  6. Step 6: Final answer
    x = 3,816.83

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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.