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Finding the Fourth Proportional to 13,960.13, 20,936.07 and 5,956.20

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Solution

The fourth proportional to 13,960.13, 20,936.07 and 5,956.20 is: 8,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.13 : 20,936.07 = 5,956.20 : x
  2. Step 2: Convert to fraction form
    13,960.13/20,936.07 = 5,956.20/x
  3. Step 3: Cross multiply
    13,960.13x = 20,936.07 × 5,956.20
  4. Step 4: Simplify right side
    13,960.13x = 124,699,420.13
  5. Step 5: Solve for x
    x = 124,699,420.13/13,960.13
  6. Step 6: Final answer
    x = 8,932.54

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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.