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Finding the Fourth Proportional to 5,375.52, 8,011.89 and 5,367.33

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Solution

The fourth proportional to 5,375.52, 8,011.89 and 5,367.33 is: 7,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.52 : 8,011.89 = 5,367.33 : x
  2. Step 2: Convert to fraction form
    5,375.52/8,011.89 = 5,367.33/x
  3. Step 3: Cross multiply
    5,375.52x = 8,011.89 × 5,367.33
  4. Step 4: Simplify right side
    5,375.52x = 43,002,457.55
  5. Step 5: Solve for x
    x = 43,002,457.55/5,375.52
  6. Step 6: Final answer
    x = 7,999.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.