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Finding the Fourth Proportional to 5,583.52, 8,375.48 and 1,885.87

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Solution

The fourth proportional to 5,583.52, 8,375.48 and 1,885.87 is: 2,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.52 : 8,375.48 = 1,885.87 : x
  2. Step 2: Convert to fraction form
    5,583.52/8,375.48 = 1,885.87/x
  3. Step 3: Cross multiply
    5,583.52x = 8,375.48 × 1,885.87
  4. Step 4: Simplify right side
    5,583.52x = 15,795,015.16
  5. Step 5: Solve for x
    x = 15,795,015.16/5,583.52
  6. Step 6: Final answer
    x = 2,828.87

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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.