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Finding the Fourth Proportional to 55,044.62, 82,563.68 and 18,108.62

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Solution

The fourth proportional to 55,044.62, 82,563.68 and 18,108.62 is: 27,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,044.62 : 82,563.68 = 18,108.62 : x
  2. Step 2: Convert to fraction form
    55,044.62/82,563.68 = 18,108.62/x
  3. Step 3: Cross multiply
    55,044.62x = 82,563.68 × 18,108.62
  4. Step 4: Simplify right side
    55,044.62x = 1,495,114,306.92
  5. Step 5: Solve for x
    x = 1,495,114,306.92/55,044.62
  6. Step 6: Final answer
    x = 27,161.86

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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.