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Finding the Fourth Proportional to 8,323.63, 12,486.03 and 3,395.59

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Solution

The fourth proportional to 8,323.63, 12,486.03 and 3,395.59 is: 5,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.63 : 12,486.03 = 3,395.59 : x
  2. Step 2: Convert to fraction form
    8,323.63/12,486.03 = 3,395.59/x
  3. Step 3: Cross multiply
    8,323.63x = 12,486.03 × 3,395.59
  4. Step 4: Simplify right side
    8,323.63x = 42,397,438.61
  5. Step 5: Solve for x
    x = 42,397,438.61/8,323.63
  6. Step 6: Final answer
    x = 5,093.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.