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Finding the Fourth Proportional to 33,800.70, 50,701.05 and 14,077.20

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Solution

The fourth proportional to 33,800.70, 50,701.05 and 14,077.20 is: 21,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,800.70 : 50,701.05 = 14,077.20 : x
  2. Step 2: Convert to fraction form
    33,800.70/50,701.05 = 14,077.20/x
  3. Step 3: Cross multiply
    33,800.70x = 50,701.05 × 14,077.20
  4. Step 4: Simplify right side
    33,800.70x = 713,728,821.06
  5. Step 5: Solve for x
    x = 713,728,821.06/33,800.70
  6. Step 6: Final answer
    x = 21,115.80

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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.