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Finding the Fourth Proportional to 5,865.88, 8,094.82 and 3,213.30

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Solution

The fourth proportional to 5,865.88, 8,094.82 and 3,213.30 is: 4,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.88 : 8,094.82 = 3,213.30 : x
  2. Step 2: Convert to fraction form
    5,865.88/8,094.82 = 3,213.30/x
  3. Step 3: Cross multiply
    5,865.88x = 8,094.82 × 3,213.30
  4. Step 4: Simplify right side
    5,865.88x = 26,011,085.11
  5. Step 5: Solve for x
    x = 26,011,085.11/5,865.88
  6. Step 6: Final answer
    x = 4,434.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.