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Finding the Fourth Proportional to 33,949.80, 50,932.80 and 17,312.40

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Solution

The fourth proportional to 33,949.80, 50,932.80 and 17,312.40 is: 25,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,949.80 : 50,932.80 = 17,312.40 : x
  2. Step 2: Convert to fraction form
    33,949.80/50,932.80 = 17,312.40/x
  3. Step 3: Cross multiply
    33,949.80x = 50,932.80 × 17,312.40
  4. Step 4: Simplify right side
    33,949.80x = 881,769,006.72
  5. Step 5: Solve for x
    x = 881,769,006.72/33,949.80
  6. Step 6: Final answer
    x = 25,972.73

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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.