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Finding the Fourth Proportional to 8,351.12, 11,524.68 and 4,624.88

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Solution

The fourth proportional to 8,351.12, 11,524.68 and 4,624.88 is: 6,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.12 : 11,524.68 = 4,624.88 : x
  2. Step 2: Convert to fraction form
    8,351.12/11,524.68 = 4,624.88/x
  3. Step 3: Cross multiply
    8,351.12x = 11,524.68 × 4,624.88
  4. Step 4: Simplify right side
    8,351.12x = 53,300,262.04
  5. Step 5: Solve for x
    x = 53,300,262.04/8,351.12
  6. Step 6: Final answer
    x = 6,382.41

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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.