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Finding the Fourth Proportional to 18,576.94, 27,865.31 and 4,537.05

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Solution

The fourth proportional to 18,576.94, 27,865.31 and 4,537.05 is: 6,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.94 : 27,865.31 = 4,537.05 : x
  2. Step 2: Convert to fraction form
    18,576.94/27,865.31 = 4,537.05/x
  3. Step 3: Cross multiply
    18,576.94x = 27,865.31 × 4,537.05
  4. Step 4: Simplify right side
    18,576.94x = 126,426,304.74
  5. Step 5: Solve for x
    x = 126,426,304.74/18,576.94
  6. Step 6: Final answer
    x = 6,805.55

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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.