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Finding the Fourth Proportional to 29,059.39, 43,583.34 and 7,993.99

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Solution

The fourth proportional to 29,059.39, 43,583.34 and 7,993.99 is: 11,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,059.39 : 43,583.34 = 7,993.99 : x
  2. Step 2: Convert to fraction form
    29,059.39/43,583.34 = 7,993.99/x
  3. Step 3: Cross multiply
    29,059.39x = 43,583.34 × 7,993.99
  4. Step 4: Simplify right side
    29,059.39x = 348,404,920.32
  5. Step 5: Solve for x
    x = 348,404,920.32/29,059.39
  6. Step 6: Final answer
    x = 11,989.41

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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.