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Finding the Fourth Proportional to 29,099.17, 43,645.92 and 9,391.87

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Solution

The fourth proportional to 29,099.17, 43,645.92 and 9,391.87 is: 14,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,099.17 : 43,645.92 = 9,391.87 : x
  2. Step 2: Convert to fraction form
    29,099.17/43,645.92 = 9,391.87/x
  3. Step 3: Cross multiply
    29,099.17x = 43,645.92 × 9,391.87
  4. Step 4: Simplify right side
    29,099.17x = 409,916,662.34
  5. Step 5: Solve for x
    x = 409,916,662.34/29,099.17
  6. Step 6: Final answer
    x = 14,086.89

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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.