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Finding the Fourth Proportional to 33,455.40, 50,170.95 and 16,809.90

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Solution

The fourth proportional to 33,455.40, 50,170.95 and 16,809.90 is: 25,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,455.40 : 50,170.95 = 16,809.90 : x
  2. Step 2: Convert to fraction form
    33,455.40/50,170.95 = 16,809.90/x
  3. Step 3: Cross multiply
    33,455.40x = 50,170.95 × 16,809.90
  4. Step 4: Simplify right side
    33,455.40x = 843,368,652.41
  5. Step 5: Solve for x
    x = 843,368,652.41/33,455.40
  6. Step 6: Final answer
    x = 25,208.75

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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.