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Finding the Fourth Proportional to 63,959.70, 95,930.91 and 17,215.38

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Solution

The fourth proportional to 63,959.70, 95,930.91 and 17,215.38 is: 25,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,959.70 : 95,930.91 = 17,215.38 : x
  2. Step 2: Convert to fraction form
    63,959.70/95,930.91 = 17,215.38/x
  3. Step 3: Cross multiply
    63,959.70x = 95,930.91 × 17,215.38
  4. Step 4: Simplify right side
    63,959.70x = 1,651,487,069.40
  5. Step 5: Solve for x
    x = 1,651,487,069.40/63,959.70
  6. Step 6: Final answer
    x = 25,820.74

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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.