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Finding the Fourth Proportional to 33,656.40, 50,438.88 and 17,857.44

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Solution

The fourth proportional to 33,656.40, 50,438.88 and 17,857.44 is: 26,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,656.40 : 50,438.88 = 17,857.44 : x
  2. Step 2: Convert to fraction form
    33,656.40/50,438.88 = 17,857.44/x
  3. Step 3: Cross multiply
    33,656.40x = 50,438.88 × 17,857.44
  4. Step 4: Simplify right side
    33,656.40x = 900,709,273.27
  5. Step 5: Solve for x
    x = 900,709,273.27/33,656.40
  6. Step 6: Final answer
    x = 26,761.90

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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.