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Finding the Fourth Proportional to 3,552.80, 5,329.20 and 2,573.60

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Solution

The fourth proportional to 3,552.80, 5,329.20 and 2,573.60 is: 3,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.80 : 5,329.20 = 2,573.60 : x
  2. Step 2: Convert to fraction form
    3,552.80/5,329.20 = 2,573.60/x
  3. Step 3: Cross multiply
    3,552.80x = 5,329.20 × 2,573.60
  4. Step 4: Simplify right side
    3,552.80x = 13,715,229.12
  5. Step 5: Solve for x
    x = 13,715,229.12/3,552.80
  6. Step 6: Final answer
    x = 3,860.40

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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.