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Finding the Fourth Proportional to 8,817.71, 13,226.13 and 3,272.13

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Solution

The fourth proportional to 8,817.71, 13,226.13 and 3,272.13 is: 4,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.71 : 13,226.13 = 3,272.13 : x
  2. Step 2: Convert to fraction form
    8,817.71/13,226.13 = 3,272.13/x
  3. Step 3: Cross multiply
    8,817.71x = 13,226.13 × 3,272.13
  4. Step 4: Simplify right side
    8,817.71x = 43,277,616.76
  5. Step 5: Solve for x
    x = 43,277,616.76/8,817.71
  6. Step 6: Final answer
    x = 4,908.04

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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.