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Finding the Fourth Proportional to 33,802.86, 46,651.86 and 20,380.98

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Solution

The fourth proportional to 33,802.86, 46,651.86 and 20,380.98 is: 28,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,802.86 : 46,651.86 = 20,380.98 : x
  2. Step 2: Convert to fraction form
    33,802.86/46,651.86 = 20,380.98/x
  3. Step 3: Cross multiply
    33,802.86x = 46,651.86 × 20,380.98
  4. Step 4: Simplify right side
    33,802.86x = 950,810,625.62
  5. Step 5: Solve for x
    x = 950,810,625.62/33,802.86
  6. Step 6: Final answer
    x = 28,128.11

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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.