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Finding the Fourth Proportional to 5,468.26, 8,203.20 and 2,871.40

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Solution

The fourth proportional to 5,468.26, 8,203.20 and 2,871.40 is: 4,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.26 : 8,203.20 = 2,871.40 : x
  2. Step 2: Convert to fraction form
    5,468.26/8,203.20 = 2,871.40/x
  3. Step 3: Cross multiply
    5,468.26x = 8,203.20 × 2,871.40
  4. Step 4: Simplify right side
    5,468.26x = 23,554,668.48
  5. Step 5: Solve for x
    x = 23,554,668.48/5,468.26
  6. Step 6: Final answer
    x = 4,307.53

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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.