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Finding the Fourth Proportional to 5,865.45, 8,094.38 and 3,347.90

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Solution

The fourth proportional to 5,865.45, 8,094.38 and 3,347.90 is: 4,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.45 : 8,094.38 = 3,347.90 : x
  2. Step 2: Convert to fraction form
    5,865.45/8,094.38 = 3,347.90/x
  3. Step 3: Cross multiply
    5,865.45x = 8,094.38 × 3,347.90
  4. Step 4: Simplify right side
    5,865.45x = 27,099,174.80
  5. Step 5: Solve for x
    x = 27,099,174.80/5,865.45
  6. Step 6: Final answer
    x = 4,620.14

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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.