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Finding the Fourth Proportional to 18,046.20, 27,026.10 and 8,801.40

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Solution

The fourth proportional to 18,046.20, 27,026.10 and 8,801.40 is: 13,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.20 : 27,026.10 = 8,801.40 : x
  2. Step 2: Convert to fraction form
    18,046.20/27,026.10 = 8,801.40/x
  3. Step 3: Cross multiply
    18,046.20x = 27,026.10 × 8,801.40
  4. Step 4: Simplify right side
    18,046.20x = 237,867,516.54
  5. Step 5: Solve for x
    x = 237,867,516.54/18,046.20
  6. Step 6: Final answer
    x = 13,181.03

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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.