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Finding the Fourth Proportional to 18,555.28, 27,827.14 and 6,072.52

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Solution

The fourth proportional to 18,555.28, 27,827.14 and 6,072.52 is: 9,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.28 : 27,827.14 = 6,072.52 : x
  2. Step 2: Convert to fraction form
    18,555.28/27,827.14 = 6,072.52/x
  3. Step 3: Cross multiply
    18,555.28x = 27,827.14 × 6,072.52
  4. Step 4: Simplify right side
    18,555.28x = 168,980,833.83
  5. Step 5: Solve for x
    x = 168,980,833.83/18,555.28
  6. Step 6: Final answer
    x = 9,106.89

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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.