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Finding the Fourth Proportional to 33,146.79, 49,721.03 and 10,960.17

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Solution

The fourth proportional to 33,146.79, 49,721.03 and 10,960.17 is: 16,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,146.79 : 49,721.03 = 10,960.17 : x
  2. Step 2: Convert to fraction form
    33,146.79/49,721.03 = 10,960.17/x
  3. Step 3: Cross multiply
    33,146.79x = 49,721.03 × 10,960.17
  4. Step 4: Simplify right side
    33,146.79x = 544,951,075.41
  5. Step 5: Solve for x
    x = 544,951,075.41/33,146.79
  6. Step 6: Final answer
    x = 16,440.54

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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.