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Finding the Fourth Proportional to 20,003, 27,604.14 and 11,620.04

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Solution

The fourth proportional to 20,003, 27,604.14 and 11,620.04 is: 16,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003 : 27,604.14 = 11,620.04 : x
  2. Step 2: Convert to fraction form
    20,003/27,604.14 = 11,620.04/x
  3. Step 3: Cross multiply
    20,003x = 27,604.14 × 11,620.04
  4. Step 4: Simplify right side
    20,003x = 320,761,210.97
  5. Step 5: Solve for x
    x = 320,761,210.97/20,003
  6. Step 6: Final answer
    x = 16,035.66

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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.