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Finding the Fourth Proportional to 8,081.52, 12,122.34 and 2,535.72

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Solution

The fourth proportional to 8,081.52, 12,122.34 and 2,535.72 is: 3,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.52 : 12,122.34 = 2,535.72 : x
  2. Step 2: Convert to fraction form
    8,081.52/12,122.34 = 2,535.72/x
  3. Step 3: Cross multiply
    8,081.52x = 12,122.34 × 2,535.72
  4. Step 4: Simplify right side
    8,081.52x = 30,738,859.98
  5. Step 5: Solve for x
    x = 30,738,859.98/8,081.52
  6. Step 6: Final answer
    x = 3,803.60

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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.