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Finding the Fourth Proportional to 3,656.52, 5,487.12 and 2,013.12

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Solution

The fourth proportional to 3,656.52, 5,487.12 and 2,013.12 is: 3,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.52 : 5,487.12 = 2,013.12 : x
  2. Step 2: Convert to fraction form
    3,656.52/5,487.12 = 2,013.12/x
  3. Step 3: Cross multiply
    3,656.52x = 5,487.12 × 2,013.12
  4. Step 4: Simplify right side
    3,656.52x = 11,046,231.01
  5. Step 5: Solve for x
    x = 11,046,231.01/3,656.52
  6. Step 6: Final answer
    x = 3,020.97

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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.