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Finding the Fourth Proportional to 9,661.96, 14,495.18 and 3,739.64

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Solution

The fourth proportional to 9,661.96, 14,495.18 and 3,739.64 is: 5,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.96 : 14,495.18 = 3,739.64 : x
  2. Step 2: Convert to fraction form
    9,661.96/14,495.18 = 3,739.64/x
  3. Step 3: Cross multiply
    9,661.96x = 14,495.18 × 3,739.64
  4. Step 4: Simplify right side
    9,661.96x = 54,206,754.94
  5. Step 5: Solve for x
    x = 54,206,754.94/9,661.96
  6. Step 6: Final answer
    x = 5,610.33

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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.