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Finding the Fourth Proportional to 56,447.91, 84,654.59 and 39,029.67

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Solution

The fourth proportional to 56,447.91, 84,654.59 and 39,029.67 is: 58,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,447.91 : 84,654.59 = 39,029.67 : x
  2. Step 2: Convert to fraction form
    56,447.91/84,654.59 = 39,029.67/x
  3. Step 3: Cross multiply
    56,447.91x = 84,654.59 × 39,029.67
  4. Step 4: Simplify right side
    56,447.91x = 3,304,040,516.54
  5. Step 5: Solve for x
    x = 3,304,040,516.54/56,447.91
  6. Step 6: Final answer
    x = 58,532.56

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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.