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Finding the Fourth Proportional to 8,375.37, 12,564.05 and 3,693.39

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Solution

The fourth proportional to 8,375.37, 12,564.05 and 3,693.39 is: 5,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.37 : 12,564.05 = 3,693.39 : x
  2. Step 2: Convert to fraction form
    8,375.37/12,564.05 = 3,693.39/x
  3. Step 3: Cross multiply
    8,375.37x = 12,564.05 × 3,693.39
  4. Step 4: Simplify right side
    8,375.37x = 46,403,918.16
  5. Step 5: Solve for x
    x = 46,403,918.16/8,375.37
  6. Step 6: Final answer
    x = 5,540.52

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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.