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Finding the Fourth Proportional to 49,892.96, 74,839.41 and 33,285.40

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Solution

The fourth proportional to 49,892.96, 74,839.41 and 33,285.40 is: 49,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,892.96 : 74,839.41 = 33,285.40 : x
  2. Step 2: Convert to fraction form
    49,892.96/74,839.41 = 33,285.40/x
  3. Step 3: Cross multiply
    49,892.96x = 74,839.41 × 33,285.40
  4. Step 4: Simplify right side
    49,892.96x = 2,491,059,510.52
  5. Step 5: Solve for x
    x = 2,491,059,510.52/49,892.96
  6. Step 6: Final answer
    x = 49,928.07

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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.