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Finding the Fourth Proportional to 3,718.05, 5,584.01 and 3,273.47

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Solution

The fourth proportional to 3,718.05, 5,584.01 and 3,273.47 is: 4,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.05 : 5,584.01 = 3,273.47 : x
  2. Step 2: Convert to fraction form
    3,718.05/5,584.01 = 3,273.47/x
  3. Step 3: Cross multiply
    3,718.05x = 5,584.01 × 3,273.47
  4. Step 4: Simplify right side
    3,718.05x = 18,279,089.21
  5. Step 5: Solve for x
    x = 18,279,089.21/3,718.05
  6. Step 6: Final answer
    x = 4,916.31

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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.