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Finding the Fourth Proportional to 5,905.90, 8,862.90 and 3,273.40

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Solution

The fourth proportional to 5,905.90, 8,862.90 and 3,273.40 is: 4,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.90 : 8,862.90 = 3,273.40 : x
  2. Step 2: Convert to fraction form
    5,905.90/8,862.90 = 3,273.40/x
  3. Step 3: Cross multiply
    5,905.90x = 8,862.90 × 3,273.40
  4. Step 4: Simplify right side
    5,905.90x = 29,011,816.86
  5. Step 5: Solve for x
    x = 29,011,816.86/5,905.90
  6. Step 6: Final answer
    x = 4,912.34

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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.