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Finding the Fourth Proportional to 8,339.17, 12,508.75 and 3,343.80

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Solution

The fourth proportional to 8,339.17, 12,508.75 and 3,343.80 is: 5,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.17 : 12,508.75 = 3,343.80 : x
  2. Step 2: Convert to fraction form
    8,339.17/12,508.75 = 3,343.80/x
  3. Step 3: Cross multiply
    8,339.17x = 12,508.75 × 3,343.80
  4. Step 4: Simplify right side
    8,339.17x = 41,826,758.25
  5. Step 5: Solve for x
    x = 41,826,758.25/8,339.17
  6. Step 6: Final answer
    x = 5,015.70

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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.