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Finding the Fourth Proportional to 53,841.09, 80,774.42 and 16,905.09

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Solution

The fourth proportional to 53,841.09, 80,774.42 and 16,905.09 is: 25,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,841.09 : 80,774.42 = 16,905.09 : x
  2. Step 2: Convert to fraction form
    53,841.09/80,774.42 = 16,905.09/x
  3. Step 3: Cross multiply
    53,841.09x = 80,774.42 × 16,905.09
  4. Step 4: Simplify right side
    53,841.09x = 1,365,498,755.27
  5. Step 5: Solve for x
    x = 1,365,498,755.27/53,841.09
  6. Step 6: Final answer
    x = 25,361.65

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1.5x scale

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.