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Finding the Fourth Proportional to 44,108.80, 66,163.20 and 26,612.80

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Solution

The fourth proportional to 44,108.80, 66,163.20 and 26,612.80 is: 39,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,108.80 : 66,163.20 = 26,612.80 : x
  2. Step 2: Convert to fraction form
    44,108.80/66,163.20 = 26,612.80/x
  3. Step 3: Cross multiply
    44,108.80x = 66,163.20 × 26,612.80
  4. Step 4: Simplify right side
    44,108.80x = 1,760,788,008.96
  5. Step 5: Solve for x
    x = 1,760,788,008.96/44,108.80
  6. Step 6: Final answer
    x = 39,919.20

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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.