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Finding the Fourth Proportional to 8,817.65, 13,231.64 and 3,274.83

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Solution

The fourth proportional to 8,817.65, 13,231.64 and 3,274.83 is: 4,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.65 : 13,231.64 = 3,274.83 : x
  2. Step 2: Convert to fraction form
    8,817.65/13,231.64 = 3,274.83/x
  3. Step 3: Cross multiply
    8,817.65x = 13,231.64 × 3,274.83
  4. Step 4: Simplify right side
    8,817.65x = 43,331,371.62
  5. Step 5: Solve for x
    x = 43,331,371.62/8,817.65
  6. Step 6: Final answer
    x = 4,914.16

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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.