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Finding the Fourth Proportional to 84,589.86, 126,874.71 and 22,265.22

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Solution

The fourth proportional to 84,589.86, 126,874.71 and 22,265.22 is: 33,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,589.86 : 126,874.71 = 22,265.22 : x
  2. Step 2: Convert to fraction form
    84,589.86/126,874.71 = 22,265.22/x
  3. Step 3: Cross multiply
    84,589.86x = 126,874.71 × 22,265.22
  4. Step 4: Simplify right side
    84,589.86x = 2,824,893,330.59
  5. Step 5: Solve for x
    x = 2,824,893,330.59/84,589.86
  6. Step 6: Final answer
    x = 33,395.18

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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.