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Finding the Fourth Proportional to 29,163.60, 43,741.08 and 9,443.88

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Solution

The fourth proportional to 29,163.60, 43,741.08 and 9,443.88 is: 14,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,163.60 : 43,741.08 = 9,443.88 : x
  2. Step 2: Convert to fraction form
    29,163.60/43,741.08 = 9,443.88/x
  3. Step 3: Cross multiply
    29,163.60x = 43,741.08 × 9,443.88
  4. Step 4: Simplify right side
    29,163.60x = 413,085,510.59
  5. Step 5: Solve for x
    x = 413,085,510.59/29,163.60
  6. Step 6: Final answer
    x = 14,164.42

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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.