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Finding the Fourth Proportional to 7,956.33, 11,936.40 and 5,620.89

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Solution

The fourth proportional to 7,956.33, 11,936.40 and 5,620.89 is: 8,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.33 : 11,936.40 = 5,620.89 : x
  2. Step 2: Convert to fraction form
    7,956.33/11,936.40 = 5,620.89/x
  3. Step 3: Cross multiply
    7,956.33x = 11,936.40 × 5,620.89
  4. Step 4: Simplify right side
    7,956.33x = 67,093,215.08
  5. Step 5: Solve for x
    x = 67,093,215.08/7,956.33
  6. Step 6: Final answer
    x = 8,432.69

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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.