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Finding the Fourth Proportional to 8,359.52, 12,539.26 and 2,119.52

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Solution

The fourth proportional to 8,359.52, 12,539.26 and 2,119.52 is: 3,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.52 : 12,539.26 = 2,119.52 : x
  2. Step 2: Convert to fraction form
    8,359.52/12,539.26 = 2,119.52/x
  3. Step 3: Cross multiply
    8,359.52x = 12,539.26 × 2,119.52
  4. Step 4: Simplify right side
    8,359.52x = 26,577,139.06
  5. Step 5: Solve for x
    x = 26,577,139.06/8,359.52
  6. Step 6: Final answer
    x = 3,179.27

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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.