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Finding the Fourth Proportional to 55,201.65, 82,737.68 and 25,556.87

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Solution

The fourth proportional to 55,201.65, 82,737.68 and 25,556.87 is: 38,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.65 : 82,737.68 = 25,556.87 : x
  2. Step 2: Convert to fraction form
    55,201.65/82,737.68 = 25,556.87/x
  3. Step 3: Cross multiply
    55,201.65x = 82,737.68 × 25,556.87
  4. Step 4: Simplify right side
    55,201.65x = 2,114,515,590.39
  5. Step 5: Solve for x
    x = 2,114,515,590.39/55,201.65
  6. Step 6: Final answer
    x = 38,305.30

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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.