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Finding the Fourth Proportional to 34,755.50, 47,962.32 and 18,839.54

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Solution

The fourth proportional to 34,755.50, 47,962.32 and 18,839.54 is: 25,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.50 : 47,962.32 = 18,839.54 : x
  2. Step 2: Convert to fraction form
    34,755.50/47,962.32 = 18,839.54/x
  3. Step 3: Cross multiply
    34,755.50x = 47,962.32 × 18,839.54
  4. Step 4: Simplify right side
    34,755.50x = 903,588,046.13
  5. Step 5: Solve for x
    x = 903,588,046.13/34,755.50
  6. Step 6: Final answer
    x = 25,998.42

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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.