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Finding the Fourth Proportional to 8,834.56, 13,251.84 and 3,287.76

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Solution

The fourth proportional to 8,834.56, 13,251.84 and 3,287.76 is: 4,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.56 : 13,251.84 = 3,287.76 : x
  2. Step 2: Convert to fraction form
    8,834.56/13,251.84 = 3,287.76/x
  3. Step 3: Cross multiply
    8,834.56x = 13,251.84 × 3,287.76
  4. Step 4: Simplify right side
    8,834.56x = 43,568,869.48
  5. Step 5: Solve for x
    x = 43,568,869.48/8,834.56
  6. Step 6: Final answer
    x = 4,931.64

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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.