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Finding the Fourth Proportional to 33,920.60, 50,880.90 and 22,110.80

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Solution

The fourth proportional to 33,920.60, 50,880.90 and 22,110.80 is: 33,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.60 : 50,880.90 = 22,110.80 : x
  2. Step 2: Convert to fraction form
    33,920.60/50,880.90 = 22,110.80/x
  3. Step 3: Cross multiply
    33,920.60x = 50,880.90 × 22,110.80
  4. Step 4: Simplify right side
    33,920.60x = 1,125,017,403.72
  5. Step 5: Solve for x
    x = 1,125,017,403.72/33,920.60
  6. Step 6: Final answer
    x = 33,166.20

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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.