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Finding the Fourth Proportional to 55,169.44, 82,755.37 and 13,616.44

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Solution

The fourth proportional to 55,169.44, 82,755.37 and 13,616.44 is: 20,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,169.44 : 82,755.37 = 13,616.44 : x
  2. Step 2: Convert to fraction form
    55,169.44/82,755.37 = 13,616.44/x
  3. Step 3: Cross multiply
    55,169.44x = 82,755.37 × 13,616.44
  4. Step 4: Simplify right side
    55,169.44x = 1,126,833,340.41
  5. Step 5: Solve for x
    x = 1,126,833,340.41/55,169.44
  6. Step 6: Final answer
    x = 20,424.96

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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.