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Finding the Fourth Proportional to 33,426.70, 50,127.90 and 11,240.80

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Solution

The fourth proportional to 33,426.70, 50,127.90 and 11,240.80 is: 16,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,426.70 : 50,127.90 = 11,240.80 : x
  2. Step 2: Convert to fraction form
    33,426.70/50,127.90 = 11,240.80/x
  3. Step 3: Cross multiply
    33,426.70x = 50,127.90 × 11,240.80
  4. Step 4: Simplify right side
    33,426.70x = 563,477,698.32
  5. Step 5: Solve for x
    x = 563,477,698.32/33,426.70
  6. Step 6: Final answer
    x = 16,857.11

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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.