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Finding the Fourth Proportional to 5,861.88, 8,796.40 and 2,351.51

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Solution

The fourth proportional to 5,861.88, 8,796.40 and 2,351.51 is: 3,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.88 : 8,796.40 = 2,351.51 : x
  2. Step 2: Convert to fraction form
    5,861.88/8,796.40 = 2,351.51/x
  3. Step 3: Cross multiply
    5,861.88x = 8,796.40 × 2,351.51
  4. Step 4: Simplify right side
    5,861.88x = 20,684,822.56
  5. Step 5: Solve for x
    x = 20,684,822.56/5,861.88
  6. Step 6: Final answer
    x = 3,528.70

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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.