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Finding the Fourth Proportional to 18,512.87, 27,769.28 and 6,032.87

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Solution

The fourth proportional to 18,512.87, 27,769.28 and 6,032.87 is: 9,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.87 : 27,769.28 = 6,032.87 : x
  2. Step 2: Convert to fraction form
    18,512.87/27,769.28 = 6,032.87/x
  3. Step 3: Cross multiply
    18,512.87x = 27,769.28 × 6,032.87
  4. Step 4: Simplify right side
    18,512.87x = 167,528,510.57
  5. Step 5: Solve for x
    x = 167,528,510.57/18,512.87
  6. Step 6: Final answer
    x = 9,049.30

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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.