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Finding the Fourth Proportional to 57,317.91, 85,993.95 and 27,354.65

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Solution

The fourth proportional to 57,317.91, 85,993.95 and 27,354.65 is: 41,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,317.91 : 85,993.95 = 27,354.65 : x
  2. Step 2: Convert to fraction form
    57,317.91/85,993.95 = 27,354.65/x
  3. Step 3: Cross multiply
    57,317.91x = 85,993.95 × 27,354.65
  4. Step 4: Simplify right side
    57,317.91x = 2,352,333,974.40
  5. Step 5: Solve for x
    x = 2,352,333,974.40/57,317.91
  6. Step 6: Final answer
    x = 41,040.12

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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.