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Finding the Fourth Proportional to 33,086.31, 45,659.15 and 17,979.14

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Solution

The fourth proportional to 33,086.31, 45,659.15 and 17,979.14 is: 24,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,086.31 : 45,659.15 = 17,979.14 : x
  2. Step 2: Convert to fraction form
    33,086.31/45,659.15 = 17,979.14/x
  3. Step 3: Cross multiply
    33,086.31x = 45,659.15 × 17,979.14
  4. Step 4: Simplify right side
    33,086.31x = 820,911,931.94
  5. Step 5: Solve for x
    x = 820,911,931.94/33,086.31
  6. Step 6: Final answer
    x = 24,811.23

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