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Finding the Fourth Proportional to 29,680.79, 40,959.11 and 16,933.64

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Solution

The fourth proportional to 29,680.79, 40,959.11 and 16,933.64 is: 23,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,680.79 : 40,959.11 = 16,933.64 : x
  2. Step 2: Convert to fraction form
    29,680.79/40,959.11 = 16,933.64/x
  3. Step 3: Cross multiply
    29,680.79x = 40,959.11 × 16,933.64
  4. Step 4: Simplify right side
    29,680.79x = 693,586,738.79
  5. Step 5: Solve for x
    x = 693,586,738.79/29,680.79
  6. Step 6: Final answer
    x = 23,368.20

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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.