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Finding the Fourth Proportional to 5,741.87, 8,601.85 and 3,889.81

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Solution

The fourth proportional to 5,741.87, 8,601.85 and 3,889.81 is: 5,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.87 : 8,601.85 = 3,889.81 : x
  2. Step 2: Convert to fraction form
    5,741.87/8,601.85 = 3,889.81/x
  3. Step 3: Cross multiply
    5,741.87x = 8,601.85 × 3,889.81
  4. Step 4: Simplify right side
    5,741.87x = 33,459,499.69
  5. Step 5: Solve for x
    x = 33,459,499.69/5,741.87
  6. Step 6: Final answer
    x = 5,827.28

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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.