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Finding the Fourth Proportional to 29,908.80, 41,274.62 and 16,479.92

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Solution

The fourth proportional to 29,908.80, 41,274.62 and 16,479.92 is: 22,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,908.80 : 41,274.62 = 16,479.92 : x
  2. Step 2: Convert to fraction form
    29,908.80/41,274.62 = 16,479.92/x
  3. Step 3: Cross multiply
    29,908.80x = 41,274.62 × 16,479.92
  4. Step 4: Simplify right side
    29,908.80x = 680,202,146.86
  5. Step 5: Solve for x
    x = 680,202,146.86/29,908.80
  6. Step 6: Final answer
    x = 22,742.54

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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.