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Finding the Fourth Proportional to 29,696.82, 40,981.03 and 16,268.03

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Solution

The fourth proportional to 29,696.82, 40,981.03 and 16,268.03 is: 22,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,696.82 : 40,981.03 = 16,268.03 : x
  2. Step 2: Convert to fraction form
    29,696.82/40,981.03 = 16,268.03/x
  3. Step 3: Cross multiply
    29,696.82x = 40,981.03 × 16,268.03
  4. Step 4: Simplify right side
    29,696.82x = 666,680,625.47
  5. Step 5: Solve for x
    x = 666,680,625.47/29,696.82
  6. Step 6: Final answer
    x = 22,449.56

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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.