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Finding the Fourth Proportional to 9,871.26, 14,805.21 and 2,944.14

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Solution

The fourth proportional to 9,871.26, 14,805.21 and 2,944.14 is: 4,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871.26 : 14,805.21 = 2,944.14 : x
  2. Step 2: Convert to fraction form
    9,871.26/14,805.21 = 2,944.14/x
  3. Step 3: Cross multiply
    9,871.26x = 14,805.21 × 2,944.14
  4. Step 4: Simplify right side
    9,871.26x = 43,588,610.97
  5. Step 5: Solve for x
    x = 43,588,610.97/9,871.26
  6. Step 6: Final answer
    x = 4,415.71

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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.