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Finding the Fourth Proportional to 44,723.88, 67,081.71 and 15,138.33

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Solution

The fourth proportional to 44,723.88, 67,081.71 and 15,138.33 is: 22,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,723.88 : 67,081.71 = 15,138.33 : x
  2. Step 2: Convert to fraction form
    44,723.88/67,081.71 = 15,138.33/x
  3. Step 3: Cross multiply
    44,723.88x = 67,081.71 × 15,138.33
  4. Step 4: Simplify right side
    44,723.88x = 1,015,505,062.94
  5. Step 5: Solve for x
    x = 1,015,505,062.94/44,723.88
  6. Step 6: Final answer
    x = 22,706.10

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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.