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Finding the Fourth Proportional to 5,531.88, 8,299.11 and 1,833.84

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Solution

The fourth proportional to 5,531.88, 8,299.11 and 1,833.84 is: 2,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.88 : 8,299.11 = 1,833.84 : x
  2. Step 2: Convert to fraction form
    5,531.88/8,299.11 = 1,833.84/x
  3. Step 3: Cross multiply
    5,531.88x = 8,299.11 × 1,833.84
  4. Step 4: Simplify right side
    5,531.88x = 15,219,239.88
  5. Step 5: Solve for x
    x = 15,219,239.88/5,531.88
  6. Step 6: Final answer
    x = 2,751.19

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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.