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Finding the Fourth Proportional to 18,797.52, 28,194.12 and 6,317.04

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Solution

The fourth proportional to 18,797.52, 28,194.12 and 6,317.04 is: 9,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.52 : 28,194.12 = 6,317.04 : x
  2. Step 2: Convert to fraction form
    18,797.52/28,194.12 = 6,317.04/x
  3. Step 3: Cross multiply
    18,797.52x = 28,194.12 × 6,317.04
  4. Step 4: Simplify right side
    18,797.52x = 178,103,383.80
  5. Step 5: Solve for x
    x = 178,103,383.80/18,797.52
  6. Step 6: Final answer
    x = 9,474.83

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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.