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Finding the Fourth Proportional to 63,959.20, 95,930.16 and 17,214.88

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Solution

The fourth proportional to 63,959.20, 95,930.16 and 17,214.88 is: 25,819.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,959.20 : 95,930.16 = 17,214.88 : x
  2. Step 2: Convert to fraction form
    63,959.20/95,930.16 = 17,214.88/x
  3. Step 3: Cross multiply
    63,959.20x = 95,930.16 × 17,214.88
  4. Step 4: Simplify right side
    63,959.20x = 1,651,426,192.78
  5. Step 5: Solve for x
    x = 1,651,426,192.78/63,959.20
  6. Step 6: Final answer
    x = 25,819.99

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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.