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Finding the Fourth Proportional to 5,687.88, 8,537.34 and 3,500.88

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Solution

The fourth proportional to 5,687.88, 8,537.34 and 3,500.88 is: 5,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.88 : 8,537.34 = 3,500.88 : x
  2. Step 2: Convert to fraction form
    5,687.88/8,537.34 = 3,500.88/x
  3. Step 3: Cross multiply
    5,687.88x = 8,537.34 × 3,500.88
  4. Step 4: Simplify right side
    5,687.88x = 29,888,202.86
  5. Step 5: Solve for x
    x = 29,888,202.86/5,687.88
  6. Step 6: Final answer
    x = 5,254.72

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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.