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Finding the Fourth Proportional to 8,266.95, 12,375.82 and 5,483.99

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Solution

The fourth proportional to 8,266.95, 12,375.82 and 5,483.99 is: 8,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.95 : 12,375.82 = 5,483.99 : x
  2. Step 2: Convert to fraction form
    8,266.95/12,375.82 = 5,483.99/x
  3. Step 3: Cross multiply
    8,266.95x = 12,375.82 × 5,483.99
  4. Step 4: Simplify right side
    8,266.95x = 67,868,873.12
  5. Step 5: Solve for x
    x = 67,868,873.12/8,266.95
  6. Step 6: Final answer
    x = 8,209.66

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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.