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Finding the Fourth Proportional to 8,039.16, 12,061.38 and 2,843.88

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Solution

The fourth proportional to 8,039.16, 12,061.38 and 2,843.88 is: 4,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.16 : 12,061.38 = 2,843.88 : x
  2. Step 2: Convert to fraction form
    8,039.16/12,061.38 = 2,843.88/x
  3. Step 3: Cross multiply
    8,039.16x = 12,061.38 × 2,843.88
  4. Step 4: Simplify right side
    8,039.16x = 34,301,117.35
  5. Step 5: Solve for x
    x = 34,301,117.35/8,039.16
  6. Step 6: Final answer
    x = 4,266.75

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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.