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Finding the Fourth Proportional to 63,169.98, 94,723.26 and 21,035.22

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Solution

The fourth proportional to 63,169.98, 94,723.26 and 21,035.22 is: 31,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,169.98 : 94,723.26 = 21,035.22 : x
  2. Step 2: Convert to fraction form
    63,169.98/94,723.26 = 21,035.22/x
  3. Step 3: Cross multiply
    63,169.98x = 94,723.26 × 21,035.22
  4. Step 4: Simplify right side
    63,169.98x = 1,992,524,613.22
  5. Step 5: Solve for x
    x = 1,992,524,613.22/63,169.98
  6. Step 6: Final answer
    x = 31,542.27

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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.