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Finding the Fourth Proportional to 18,262.83, 27,394.28 and 4,411.83

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Solution

The fourth proportional to 18,262.83, 27,394.28 and 4,411.83 is: 6,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.83 : 27,394.28 = 4,411.83 : x
  2. Step 2: Convert to fraction form
    18,262.83/27,394.28 = 4,411.83/x
  3. Step 3: Cross multiply
    18,262.83x = 27,394.28 × 4,411.83
  4. Step 4: Simplify right side
    18,262.83x = 120,858,906.33
  5. Step 5: Solve for x
    x = 120,858,906.33/18,262.83
  6. Step 6: Final answer
    x = 6,617.75

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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.