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Finding the Fourth Proportional to 8,270.88, 12,403.21 and 3,004.59

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Solution

The fourth proportional to 8,270.88, 12,403.21 and 3,004.59 is: 4,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.88 : 12,403.21 = 3,004.59 : x
  2. Step 2: Convert to fraction form
    8,270.88/12,403.21 = 3,004.59/x
  3. Step 3: Cross multiply
    8,270.88x = 12,403.21 × 3,004.59
  4. Step 4: Simplify right side
    8,270.88x = 37,266,500.72
  5. Step 5: Solve for x
    x = 37,266,500.72/8,270.88
  6. Step 6: Final answer
    x = 4,505.75

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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.