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Finding the Fourth Proportional to 56,581.92, 84,872.32 and 34,401.42

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Solution

The fourth proportional to 56,581.92, 84,872.32 and 34,401.42 is: 51,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,581.92 : 84,872.32 = 34,401.42 : x
  2. Step 2: Convert to fraction form
    56,581.92/84,872.32 = 34,401.42/x
  3. Step 3: Cross multiply
    56,581.92x = 84,872.32 × 34,401.42
  4. Step 4: Simplify right side
    56,581.92x = 2,919,728,326.69
  5. Step 5: Solve for x
    x = 2,919,728,326.69/56,581.92
  6. Step 6: Final answer
    x = 51,601.79

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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.