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Finding the Fourth Proportional to 8,682.04, 11,982.18 and 4,956.04

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Solution

The fourth proportional to 8,682.04, 11,982.18 and 4,956.04 is: 6,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.04 : 11,982.18 = 4,956.04 : x
  2. Step 2: Convert to fraction form
    8,682.04/11,982.18 = 4,956.04/x
  3. Step 3: Cross multiply
    8,682.04x = 11,982.18 × 4,956.04
  4. Step 4: Simplify right side
    8,682.04x = 59,384,163.37
  5. Step 5: Solve for x
    x = 59,384,163.37/8,682.04
  6. Step 6: Final answer
    x = 6,839.89

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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.