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Finding the Fourth Proportional to 33,893.76, 46,773.27 and 18,989.76

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Solution

The fourth proportional to 33,893.76, 46,773.27 and 18,989.76 is: 26,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,893.76 : 46,773.27 = 18,989.76 : x
  2. Step 2: Convert to fraction form
    33,893.76/46,773.27 = 18,989.76/x
  3. Step 3: Cross multiply
    33,893.76x = 46,773.27 × 18,989.76
  4. Step 4: Simplify right side
    33,893.76x = 888,213,171.72
  5. Step 5: Solve for x
    x = 888,213,171.72/33,893.76
  6. Step 6: Final answer
    x = 26,205.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.