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Finding the Fourth Proportional to 9,149.00, 13,720.46 and 3,600.90

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Solution

The fourth proportional to 9,149.00, 13,720.46 and 3,600.90 is: 5,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.00 : 13,720.46 = 3,600.90 : x
  2. Step 2: Convert to fraction form
    9,149.00/13,720.46 = 3,600.90/x
  3. Step 3: Cross multiply
    9,149.00x = 13,720.46 × 3,600.90
  4. Step 4: Simplify right side
    9,149.00x = 49,405,986.41
  5. Step 5: Solve for x
    x = 49,405,986.41/9,149.00
  6. Step 6: Final answer
    x = 5,400.15

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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.