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Finding the Fourth Proportional to 33,169.50, 45,773.91 and 18,265.50

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Solution

The fourth proportional to 33,169.50, 45,773.91 and 18,265.50 is: 25,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,169.50 : 45,773.91 = 18,265.50 : x
  2. Step 2: Convert to fraction form
    33,169.50/45,773.91 = 18,265.50/x
  3. Step 3: Cross multiply
    33,169.50x = 45,773.91 × 18,265.50
  4. Step 4: Simplify right side
    33,169.50x = 836,083,353.11
  5. Step 5: Solve for x
    x = 836,083,353.11/33,169.50
  6. Step 6: Final answer
    x = 25,206.39

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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.