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Finding the Fourth Proportional to 5,100.59, 7,641.82 and 2,132.49

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Solution

The fourth proportional to 5,100.59, 7,641.82 and 2,132.49 is: 3,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.59 : 7,641.82 = 2,132.49 : x
  2. Step 2: Convert to fraction form
    5,100.59/7,641.82 = 2,132.49/x
  3. Step 3: Cross multiply
    5,100.59x = 7,641.82 × 2,132.49
  4. Step 4: Simplify right side
    5,100.59x = 16,296,107.40
  5. Step 5: Solve for x
    x = 16,296,107.40/5,100.59
  6. Step 6: Final answer
    x = 3,194.95

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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.