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Finding the Fourth Proportional to 5,643.25, 8,453.93 and 2,723.60

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Solution

The fourth proportional to 5,643.25, 8,453.93 and 2,723.60 is: 4,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.25 : 8,453.93 = 2,723.60 : x
  2. Step 2: Convert to fraction form
    5,643.25/8,453.93 = 2,723.60/x
  3. Step 3: Cross multiply
    5,643.25x = 8,453.93 × 2,723.60
  4. Step 4: Simplify right side
    5,643.25x = 23,025,123.75
  5. Step 5: Solve for x
    x = 23,025,123.75/5,643.25
  6. Step 6: Final answer
    x = 4,080.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.