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Finding the Fourth Proportional to 63,968.70, 95,952.96 and 17,221.62

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Solution

The fourth proportional to 63,968.70, 95,952.96 and 17,221.62 is: 25,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,968.70 : 95,952.96 = 17,221.62 : x
  2. Step 2: Convert to fraction form
    63,968.70/95,952.96 = 17,221.62/x
  3. Step 3: Cross multiply
    63,968.70x = 95,952.96 × 17,221.62
  4. Step 4: Simplify right side
    63,968.70x = 1,652,465,415.00
  5. Step 5: Solve for x
    x = 1,652,465,415.00/63,968.70
  6. Step 6: Final answer
    x = 25,832.41

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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.