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Finding the Fourth Proportional to 55,101.30, 82,468.44 and 41,879.76

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Solution

The fourth proportional to 55,101.30, 82,468.44 and 41,879.76 is: 62,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,101.30 : 82,468.44 = 41,879.76 : x
  2. Step 2: Convert to fraction form
    55,101.30/82,468.44 = 41,879.76/x
  3. Step 3: Cross multiply
    55,101.30x = 82,468.44 × 41,879.76
  4. Step 4: Simplify right side
    55,101.30x = 3,453,758,474.77
  5. Step 5: Solve for x
    x = 3,453,758,474.77/55,101.30
  6. Step 6: Final answer
    x = 62,680.16

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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.