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Finding the Fourth Proportional to 33,761.40, 50,569.20 and 21,951.60

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Solution

The fourth proportional to 33,761.40, 50,569.20 and 21,951.60 is: 32,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,761.40 : 50,569.20 = 21,951.60 : x
  2. Step 2: Convert to fraction form
    33,761.40/50,569.20 = 21,951.60/x
  3. Step 3: Cross multiply
    33,761.40x = 50,569.20 × 21,951.60
  4. Step 4: Simplify right side
    33,761.40x = 1,110,074,850.72
  5. Step 5: Solve for x
    x = 1,110,074,850.72/33,761.40
  6. Step 6: Final answer
    x = 32,880.00

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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.