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Finding the Fourth Proportional to 5,572.89, 8,352 and 3,108.87

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Solution

The fourth proportional to 5,572.89, 8,352 and 3,108.87 is: 4,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.89 : 8,352 = 3,108.87 : x
  2. Step 2: Convert to fraction form
    5,572.89/8,352 = 3,108.87/x
  3. Step 3: Cross multiply
    5,572.89x = 8,352 × 3,108.87
  4. Step 4: Simplify right side
    5,572.89x = 25,965,282.24
  5. Step 5: Solve for x
    x = 25,965,282.24/5,572.89
  6. Step 6: Final answer
    x = 4,659.21

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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.