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Finding the Fourth Proportional to 18,410.10, 27,619.20 and 5,930.70

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Solution

The fourth proportional to 18,410.10, 27,619.20 and 5,930.70 is: 8,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.10 : 27,619.20 = 5,930.70 : x
  2. Step 2: Convert to fraction form
    18,410.10/27,619.20 = 5,930.70/x
  3. Step 3: Cross multiply
    18,410.10x = 27,619.20 × 5,930.70
  4. Step 4: Simplify right side
    18,410.10x = 163,801,189.44
  5. Step 5: Solve for x
    x = 163,801,189.44/18,410.10
  6. Step 6: Final answer
    x = 8,897.35

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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.