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Finding the Fourth Proportional to 33,919.98, 50,870.43 and 14,195.40

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Solution

The fourth proportional to 33,919.98, 50,870.43 and 14,195.40 is: 21,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.98 : 50,870.43 = 14,195.40 : x
  2. Step 2: Convert to fraction form
    33,919.98/50,870.43 = 14,195.40/x
  3. Step 3: Cross multiply
    33,919.98x = 50,870.43 × 14,195.40
  4. Step 4: Simplify right side
    33,919.98x = 722,126,102.02
  5. Step 5: Solve for x
    x = 722,126,102.02/33,919.98
  6. Step 6: Final answer
    x = 21,289.11

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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.