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Finding the Fourth Proportional to 63,984.96, 95,992.56 and 28,924.56

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Solution

The fourth proportional to 63,984.96, 95,992.56 and 28,924.56 is: 43,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,984.96 : 95,992.56 = 28,924.56 : x
  2. Step 2: Convert to fraction form
    63,984.96/95,992.56 = 28,924.56/x
  3. Step 3: Cross multiply
    63,984.96x = 95,992.56 × 28,924.56
  4. Step 4: Simplify right side
    63,984.96x = 2,776,542,561.27
  5. Step 5: Solve for x
    x = 2,776,542,561.27/63,984.96
  6. Step 6: Final answer
    x = 43,393.68

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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.