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Finding the Fourth Proportional to 65,984.68, 98,860.38 and 43,745.32

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Solution

The fourth proportional to 65,984.68, 98,860.38 and 43,745.32 is: 65,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,984.68 : 98,860.38 = 43,745.32 : x
  2. Step 2: Convert to fraction form
    65,984.68/98,860.38 = 43,745.32/x
  3. Step 3: Cross multiply
    65,984.68x = 98,860.38 × 43,745.32
  4. Step 4: Simplify right side
    65,984.68x = 4,324,678,958.42
  5. Step 5: Solve for x
    x = 4,324,678,958.42/65,984.68
  6. Step 6: Final answer
    x = 65,540.65

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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.