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Finding the Fourth Proportional to 5,467.61, 7,545.29 and 2,983.61

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Solution

The fourth proportional to 5,467.61, 7,545.29 and 2,983.61 is: 4,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.61 : 7,545.29 = 2,983.61 : x
  2. Step 2: Convert to fraction form
    5,467.61/7,545.29 = 2,983.61/x
  3. Step 3: Cross multiply
    5,467.61x = 7,545.29 × 2,983.61
  4. Step 4: Simplify right side
    5,467.61x = 22,512,150.05
  5. Step 5: Solve for x
    x = 22,512,150.05/5,467.61
  6. Step 6: Final answer
    x = 4,117.37

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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.