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Finding the Fourth Proportional to 55,187.92, 82,753.32 and 27,095.44

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Solution

The fourth proportional to 55,187.92, 82,753.32 and 27,095.44 is: 40,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,187.92 : 82,753.32 = 27,095.44 : x
  2. Step 2: Convert to fraction form
    55,187.92/82,753.32 = 27,095.44/x
  3. Step 3: Cross multiply
    55,187.92x = 82,753.32 × 27,095.44
  4. Step 4: Simplify right side
    55,187.92x = 2,242,237,616.86
  5. Step 5: Solve for x
    x = 2,242,237,616.86/55,187.92
  6. Step 6: Final answer
    x = 40,629.14

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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.