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Finding the Fourth Proportional to 8,362.68, 12,541.80 and 2,519.52

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Solution

The fourth proportional to 8,362.68, 12,541.80 and 2,519.52 is: 3,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.68 : 12,541.80 = 2,519.52 : x
  2. Step 2: Convert to fraction form
    8,362.68/12,541.80 = 2,519.52/x
  3. Step 3: Cross multiply
    8,362.68x = 12,541.80 × 2,519.52
  4. Step 4: Simplify right side
    8,362.68x = 31,599,315.94
  5. Step 5: Solve for x
    x = 31,599,315.94/8,362.68
  6. Step 6: Final answer
    x = 3,778.61

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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.