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Finding the Fourth Proportional to 18,262.22, 27,404.66 and 11,693.12

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Solution

The fourth proportional to 18,262.22, 27,404.66 and 11,693.12 is: 17,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.22 : 27,404.66 = 11,693.12 : x
  2. Step 2: Convert to fraction form
    18,262.22/27,404.66 = 11,693.12/x
  3. Step 3: Cross multiply
    18,262.22x = 27,404.66 × 11,693.12
  4. Step 4: Simplify right side
    18,262.22x = 320,445,977.94
  5. Step 5: Solve for x
    x = 320,445,977.94/18,262.22
  6. Step 6: Final answer
    x = 17,546.93

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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.