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Finding the Fourth Proportional to 54,797.43, 82,189.71 and 15,357.72

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Solution

The fourth proportional to 54,797.43, 82,189.71 and 15,357.72 is: 23,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,797.43 : 82,189.71 = 15,357.72 : x
  2. Step 2: Convert to fraction form
    54,797.43/82,189.71 = 15,357.72/x
  3. Step 3: Cross multiply
    54,797.43x = 82,189.71 × 15,357.72
  4. Step 4: Simplify right side
    54,797.43x = 1,262,246,553.06
  5. Step 5: Solve for x
    x = 1,262,246,553.06/54,797.43
  6. Step 6: Final answer
    x = 23,034.78

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1.5x scale

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.