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Finding the Fourth Proportional to 3,632.78, 5,013.69 and 2,061.38

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Solution

The fourth proportional to 3,632.78, 5,013.69 and 2,061.38 is: 2,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.78 : 5,013.69 = 2,061.38 : x
  2. Step 2: Convert to fraction form
    3,632.78/5,013.69 = 2,061.38/x
  3. Step 3: Cross multiply
    3,632.78x = 5,013.69 × 2,061.38
  4. Step 4: Simplify right side
    3,632.78x = 10,335,120.29
  5. Step 5: Solve for x
    x = 10,335,120.29/3,632.78
  6. Step 6: Final answer
    x = 2,844.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.