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Finding the Fourth Proportional to 54,195.97, 74,789.88 and 29,996.99

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Solution

The fourth proportional to 54,195.97, 74,789.88 and 29,996.99 is: 41,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,195.97 : 74,789.88 = 29,996.99 : x
  2. Step 2: Convert to fraction form
    54,195.97/74,789.88 = 29,996.99/x
  3. Step 3: Cross multiply
    54,195.97x = 74,789.88 × 29,996.99
  4. Step 4: Simplify right side
    54,195.97x = 2,243,471,282.46
  5. Step 5: Solve for x
    x = 2,243,471,282.46/54,195.97
  6. Step 6: Final answer
    x = 41,395.54

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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.