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Finding the Fourth Proportional to 18,500.66, 27,752.50 and 6,020.42

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Solution

The fourth proportional to 18,500.66, 27,752.50 and 6,020.42 is: 9,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.66 : 27,752.50 = 6,020.42 : x
  2. Step 2: Convert to fraction form
    18,500.66/27,752.50 = 6,020.42/x
  3. Step 3: Cross multiply
    18,500.66x = 27,752.50 × 6,020.42
  4. Step 4: Simplify right side
    18,500.66x = 167,081,706.05
  5. Step 5: Solve for x
    x = 167,081,706.05/18,500.66
  6. Step 6: Final answer
    x = 9,031.12

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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.