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Finding the Fourth Proportional to 9,957.66, 13,741.07 and 5,481.80

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Solution

The fourth proportional to 9,957.66, 13,741.07 and 5,481.80 is: 7,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.66 : 13,741.07 = 5,481.80 : x
  2. Step 2: Convert to fraction form
    9,957.66/13,741.07 = 5,481.80/x
  3. Step 3: Cross multiply
    9,957.66x = 13,741.07 × 5,481.80
  4. Step 4: Simplify right side
    9,957.66x = 75,325,797.53
  5. Step 5: Solve for x
    x = 75,325,797.53/9,957.66
  6. Step 6: Final answer
    x = 7,564.61

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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.