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Finding the Fourth Proportional to 18,034.58, 27,051.87 and 11,833.83

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Solution

The fourth proportional to 18,034.58, 27,051.87 and 11,833.83 is: 17,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034.58 : 27,051.87 = 11,833.83 : x
  2. Step 2: Convert to fraction form
    18,034.58/27,051.87 = 11,833.83/x
  3. Step 3: Cross multiply
    18,034.58x = 27,051.87 × 11,833.83
  4. Step 4: Simplify right side
    18,034.58x = 320,127,275.14
  5. Step 5: Solve for x
    x = 320,127,275.14/18,034.58
  6. Step 6: Final answer
    x = 17,750.75

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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.