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Finding the Fourth Proportional to 33,957.01, 50,940.17 and 12,899.28

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Solution

The fourth proportional to 33,957.01, 50,940.17 and 12,899.28 is: 19,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,957.01 : 50,940.17 = 12,899.28 : x
  2. Step 2: Convert to fraction form
    33,957.01/50,940.17 = 12,899.28/x
  3. Step 3: Cross multiply
    33,957.01x = 50,940.17 × 12,899.28
  4. Step 4: Simplify right side
    33,957.01x = 657,091,516.08
  5. Step 5: Solve for x
    x = 657,091,516.08/33,957.01
  6. Step 6: Final answer
    x = 19,350.69

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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.