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Finding the Fourth Proportional to 49,761.82, 68,669.91 and 27,100.30

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Solution

The fourth proportional to 49,761.82, 68,669.91 and 27,100.30 is: 37,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.82 : 68,669.91 = 27,100.30 : x
  2. Step 2: Convert to fraction form
    49,761.82/68,669.91 = 27,100.30/x
  3. Step 3: Cross multiply
    49,761.82x = 68,669.91 × 27,100.30
  4. Step 4: Simplify right side
    49,761.82x = 1,860,975,161.97
  5. Step 5: Solve for x
    x = 1,860,975,161.97/49,761.82
  6. Step 6: Final answer
    x = 37,397.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.