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Finding the Fourth Proportional to 10,951.73, 16,425.79 and 3,054.78

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Solution

The fourth proportional to 10,951.73, 16,425.79 and 3,054.78 is: 4,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.73 : 16,425.79 = 3,054.78 : x
  2. Step 2: Convert to fraction form
    10,951.73/16,425.79 = 3,054.78/x
  3. Step 3: Cross multiply
    10,951.73x = 16,425.79 × 3,054.78
  4. Step 4: Simplify right side
    10,951.73x = 50,177,133.71
  5. Step 5: Solve for x
    x = 50,177,133.71/10,951.73
  6. Step 6: Final answer
    x = 4,581.66

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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.