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Finding the Fourth Proportional to 33,663.67, 50,430.87 and 18,827.64

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Solution

The fourth proportional to 33,663.67, 50,430.87 and 18,827.64 is: 28,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,663.67 : 50,430.87 = 18,827.64 : x
  2. Step 2: Convert to fraction form
    33,663.67/50,430.87 = 18,827.64/x
  3. Step 3: Cross multiply
    33,663.67x = 50,430.87 × 18,827.64
  4. Step 4: Simplify right side
    33,663.67x = 949,494,265.25
  5. Step 5: Solve for x
    x = 949,494,265.25/33,663.67
  6. Step 6: Final answer
    x = 28,205.31

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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.