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Finding the Fourth Proportional to 29,694.76, 40,979.04 and 17,119.50

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Solution

The fourth proportional to 29,694.76, 40,979.04 and 17,119.50 is: 23,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,694.76 : 40,979.04 = 17,119.50 : x
  2. Step 2: Convert to fraction form
    29,694.76/40,979.04 = 17,119.50/x
  3. Step 3: Cross multiply
    29,694.76x = 40,979.04 × 17,119.50
  4. Step 4: Simplify right side
    29,694.76x = 701,540,675.28
  5. Step 5: Solve for x
    x = 701,540,675.28/29,694.76
  6. Step 6: Final answer
    x = 23,625.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.