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Finding the Fourth Proportional to 3,264.80, 4,505.37 and 1,772.70

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Solution

The fourth proportional to 3,264.80, 4,505.37 and 1,772.70 is: 2,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.80 : 4,505.37 = 1,772.70 : x
  2. Step 2: Convert to fraction form
    3,264.80/4,505.37 = 1,772.70/x
  3. Step 3: Cross multiply
    3,264.80x = 4,505.37 × 1,772.70
  4. Step 4: Simplify right side
    3,264.80x = 7,986,669.40
  5. Step 5: Solve for x
    x = 7,986,669.40/3,264.80
  6. Step 6: Final answer
    x = 2,446.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.