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Finding the Fourth Proportional to 33,612.60, 50,418.90 and 33,175.20

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Solution

The fourth proportional to 33,612.60, 50,418.90 and 33,175.20 is: 49,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,612.60 : 50,418.90 = 33,175.20 : x
  2. Step 2: Convert to fraction form
    33,612.60/50,418.90 = 33,175.20/x
  3. Step 3: Cross multiply
    33,612.60x = 50,418.90 × 33,175.20
  4. Step 4: Simplify right side
    33,612.60x = 1,672,657,091.28
  5. Step 5: Solve for x
    x = 1,672,657,091.28/33,612.60
  6. Step 6: Final answer
    x = 49,762.80

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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.