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Finding the Fourth Proportional to 5,840.39, 8,739.65 and 5,449.37

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Solution

The fourth proportional to 5,840.39, 8,739.65 and 5,449.37 is: 8,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.39 : 8,739.65 = 5,449.37 : x
  2. Step 2: Convert to fraction form
    5,840.39/8,739.65 = 5,449.37/x
  3. Step 3: Cross multiply
    5,840.39x = 8,739.65 × 5,449.37
  4. Step 4: Simplify right side
    5,840.39x = 47,625,556.45
  5. Step 5: Solve for x
    x = 47,625,556.45/5,840.39
  6. Step 6: Final answer
    x = 8,154.51

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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.