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Finding the Fourth Proportional to 5,653.52, 8,480.26 and 2,729.76

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Solution

The fourth proportional to 5,653.52, 8,480.26 and 2,729.76 is: 4,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.52 : 8,480.26 = 2,729.76 : x
  2. Step 2: Convert to fraction form
    5,653.52/8,480.26 = 2,729.76/x
  3. Step 3: Cross multiply
    5,653.52x = 8,480.26 × 2,729.76
  4. Step 4: Simplify right side
    5,653.52x = 23,149,074.54
  5. Step 5: Solve for x
    x = 23,149,074.54/5,653.52
  6. Step 6: Final answer
    x = 4,094.63

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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.