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Finding the Fourth Proportional to 58,169.67, 87,082.28 and 35,911.48

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Solution

The fourth proportional to 58,169.67, 87,082.28 and 35,911.48 is: 53,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,169.67 : 87,082.28 = 35,911.48 : x
  2. Step 2: Convert to fraction form
    58,169.67/87,082.28 = 35,911.48/x
  3. Step 3: Cross multiply
    58,169.67x = 87,082.28 × 35,911.48
  4. Step 4: Simplify right side
    58,169.67x = 3,127,253,556.57
  5. Step 5: Solve for x
    x = 3,127,253,556.57/58,169.67
  6. Step 6: Final answer
    x = 53,760.90

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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.