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Finding the Fourth Proportional to 29,324.73, 43,987.14 and 7,137.99

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Solution

The fourth proportional to 29,324.73, 43,987.14 and 7,137.99 is: 10,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,324.73 : 43,987.14 = 7,137.99 : x
  2. Step 2: Convert to fraction form
    29,324.73/43,987.14 = 7,137.99/x
  3. Step 3: Cross multiply
    29,324.73x = 43,987.14 × 7,137.99
  4. Step 4: Simplify right side
    29,324.73x = 313,979,765.45
  5. Step 5: Solve for x
    x = 313,979,765.45/29,324.73
  6. Step 6: Final answer
    x = 10,707.00

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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.