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Finding the Fourth Proportional to 33,851.10, 50,778.95 and 8,891.10

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Solution

The fourth proportional to 33,851.10, 50,778.95 and 8,891.10 is: 13,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,851.10 : 50,778.95 = 8,891.10 : x
  2. Step 2: Convert to fraction form
    33,851.10/50,778.95 = 8,891.10/x
  3. Step 3: Cross multiply
    33,851.10x = 50,778.95 × 8,891.10
  4. Step 4: Simplify right side
    33,851.10x = 451,480,722.35
  5. Step 5: Solve for x
    x = 451,480,722.35/33,851.10
  6. Step 6: Final answer
    x = 13,337.25

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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.