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Finding the Fourth Proportional to 18,531.27, 27,801.35 and 6,051.33

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Solution

The fourth proportional to 18,531.27, 27,801.35 and 6,051.33 is: 9,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.27 : 27,801.35 = 6,051.33 : x
  2. Step 2: Convert to fraction form
    18,531.27/27,801.35 = 6,051.33/x
  3. Step 3: Cross multiply
    18,531.27x = 27,801.35 × 6,051.33
  4. Step 4: Simplify right side
    18,531.27x = 168,235,113.04
  5. Step 5: Solve for x
    x = 168,235,113.04/18,531.27
  6. Step 6: Final answer
    x = 9,078.44

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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.