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Finding the Fourth Proportional to 33,999.36, 50,999.05 and 12,934.53

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Solution

The fourth proportional to 33,999.36, 50,999.05 and 12,934.53 is: 19,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.36 : 50,999.05 = 12,934.53 : x
  2. Step 2: Convert to fraction form
    33,999.36/50,999.05 = 12,934.53/x
  3. Step 3: Cross multiply
    33,999.36x = 50,999.05 × 12,934.53
  4. Step 4: Simplify right side
    33,999.36x = 659,648,742.20
  5. Step 5: Solve for x
    x = 659,648,742.20/33,999.36
  6. Step 6: Final answer
    x = 19,401.80

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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.