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Finding the Fourth Proportional to 33,947.42, 50,900.97 and 13,950.98

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Solution

The fourth proportional to 33,947.42, 50,900.97 and 13,950.98 is: 20,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,947.42 : 50,900.97 = 13,950.98 : x
  2. Step 2: Convert to fraction form
    33,947.42/50,900.97 = 13,950.98/x
  3. Step 3: Cross multiply
    33,947.42x = 50,900.97 × 13,950.98
  4. Step 4: Simplify right side
    33,947.42x = 710,118,414.45
  5. Step 5: Solve for x
    x = 710,118,414.45/33,947.42
  6. Step 6: Final answer
    x = 20,918.19

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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.