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Finding the Fourth Proportional to 5,007.26, 7,509 and 2,231.21

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Solution

The fourth proportional to 5,007.26, 7,509 and 2,231.21 is: 3,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.26 : 7,509 = 2,231.21 : x
  2. Step 2: Convert to fraction form
    5,007.26/7,509 = 2,231.21/x
  3. Step 3: Cross multiply
    5,007.26x = 7,509 × 2,231.21
  4. Step 4: Simplify right side
    5,007.26x = 16,754,155.89
  5. Step 5: Solve for x
    x = 16,754,155.89/5,007.26
  6. Step 6: Final answer
    x = 3,345.97

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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.