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Finding the Fourth Proportional to 54,951.99, 81,934.17 and 50,260.30

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Solution

The fourth proportional to 54,951.99, 81,934.17 and 50,260.30 is: 74,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,951.99 : 81,934.17 = 50,260.30 : x
  2. Step 2: Convert to fraction form
    54,951.99/81,934.17 = 50,260.30/x
  3. Step 3: Cross multiply
    54,951.99x = 81,934.17 × 50,260.30
  4. Step 4: Simplify right side
    54,951.99x = 4,118,035,783.18
  5. Step 5: Solve for x
    x = 4,118,035,783.18/54,951.99
  6. Step 6: Final answer
    x = 74,938.79

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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.