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Finding the Fourth Proportional to 53,927.70, 80,863.53 and 16,480.18

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Solution

The fourth proportional to 53,927.70, 80,863.53 and 16,480.18 is: 24,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,927.70 : 80,863.53 = 16,480.18 : x
  2. Step 2: Convert to fraction form
    53,927.70/80,863.53 = 16,480.18/x
  3. Step 3: Cross multiply
    53,927.70x = 80,863.53 × 16,480.18
  4. Step 4: Simplify right side
    53,927.70x = 1,332,645,529.84
  5. Step 5: Solve for x
    x = 1,332,645,529.84/53,927.70
  6. Step 6: Final answer
    x = 24,711.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.