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Finding the Fourth Proportional to 57,305.57, 85,975.95 and 27,358.02

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Solution

The fourth proportional to 57,305.57, 85,975.95 and 27,358.02 is: 41,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,305.57 : 85,975.95 = 27,358.02 : x
  2. Step 2: Convert to fraction form
    57,305.57/85,975.95 = 27,358.02/x
  3. Step 3: Cross multiply
    57,305.57x = 85,975.95 × 27,358.02
  4. Step 4: Simplify right side
    57,305.57x = 2,352,131,759.62
  5. Step 5: Solve for x
    x = 2,352,131,759.62/57,305.57
  6. Step 6: Final answer
    x = 41,045.43

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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.