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Finding the Fourth Proportional to 54,122.28, 74,721.04 and 33,996.38

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Solution

The fourth proportional to 54,122.28, 74,721.04 and 33,996.38 is: 46,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.28 : 74,721.04 = 33,996.38 : x
  2. Step 2: Convert to fraction form
    54,122.28/74,721.04 = 33,996.38/x
  3. Step 3: Cross multiply
    54,122.28x = 74,721.04 × 33,996.38
  4. Step 4: Simplify right side
    54,122.28x = 2,540,244,869.84
  5. Step 5: Solve for x
    x = 2,540,244,869.84/54,122.28
  6. Step 6: Final answer
    x = 46,935.29

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1.5x scale

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.