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Finding the Fourth Proportional to 54,693.38, 81,947.70 and 33,589.40

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Solution

The fourth proportional to 54,693.38, 81,947.70 and 33,589.40 is: 50,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,693.38 : 81,947.70 = 33,589.40 : x
  2. Step 2: Convert to fraction form
    54,693.38/81,947.70 = 33,589.40/x
  3. Step 3: Cross multiply
    54,693.38x = 81,947.70 × 33,589.40
  4. Step 4: Simplify right side
    54,693.38x = 2,752,574,074.38
  5. Step 5: Solve for x
    x = 2,752,574,074.38/54,693.38
  6. Step 6: Final answer
    x = 50,327.37

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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.