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Finding the Fourth Proportional to 48,012.58, 71,879.33 and 27,960.86

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Solution

The fourth proportional to 48,012.58, 71,879.33 and 27,960.86 is: 41,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,012.58 : 71,879.33 = 27,960.86 : x
  2. Step 2: Convert to fraction form
    48,012.58/71,879.33 = 27,960.86/x
  3. Step 3: Cross multiply
    48,012.58x = 71,879.33 × 27,960.86
  4. Step 4: Simplify right side
    48,012.58x = 2,009,808,132.62
  5. Step 5: Solve for x
    x = 2,009,808,132.62/48,012.58
  6. Step 6: Final answer
    x = 41,860.03

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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.