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Finding the Fourth Proportional to 54,952.50, 81,934.92 and 50,260.80

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Solution

The fourth proportional to 54,952.50, 81,934.92 and 50,260.80 is: 74,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,952.50 : 81,934.92 = 50,260.80 : x
  2. Step 2: Convert to fraction form
    54,952.50/81,934.92 = 50,260.80/x
  3. Step 3: Cross multiply
    54,952.50x = 81,934.92 × 50,260.80
  4. Step 4: Simplify right side
    54,952.50x = 4,118,114,375.83
  5. Step 5: Solve for x
    x = 4,118,114,375.83/54,952.50
  6. Step 6: Final answer
    x = 74,939.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.