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Finding the Fourth Proportional to 5,403.52, 8,108.52 and 1,941.04

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Solution

The fourth proportional to 5,403.52, 8,108.52 and 1,941.04 is: 2,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.52 : 8,108.52 = 1,941.04 : x
  2. Step 2: Convert to fraction form
    5,403.52/8,108.52 = 1,941.04/x
  3. Step 3: Cross multiply
    5,403.52x = 8,108.52 × 1,941.04
  4. Step 4: Simplify right side
    5,403.52x = 15,738,961.66
  5. Step 5: Solve for x
    x = 15,738,961.66/5,403.52
  6. Step 6: Final answer
    x = 2,912.72

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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.