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Finding the Fourth Proportional to 33,230.63, 45,861 and 18,894.96

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Solution

The fourth proportional to 33,230.63, 45,861 and 18,894.96 is: 26,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.63 : 45,861 = 18,894.96 : x
  2. Step 2: Convert to fraction form
    33,230.63/45,861 = 18,894.96/x
  3. Step 3: Cross multiply
    33,230.63x = 45,861 × 18,894.96
  4. Step 4: Simplify right side
    33,230.63x = 866,541,760.56
  5. Step 5: Solve for x
    x = 866,541,760.56/33,230.63
  6. Step 6: Final answer
    x = 26,076.60

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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.