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Finding the Fourth Proportional to 29,321.00, 43,981.53 and 7,134.37

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Solution

The fourth proportional to 29,321.00, 43,981.53 and 7,134.37 is: 10,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.00 : 43,981.53 = 7,134.37 : x
  2. Step 2: Convert to fraction form
    29,321.00/43,981.53 = 7,134.37/x
  3. Step 3: Cross multiply
    29,321.00x = 43,981.53 × 7,134.37
  4. Step 4: Simplify right side
    29,321.00x = 313,780,472.51
  5. Step 5: Solve for x
    x = 313,780,472.51/29,321.00
  6. Step 6: Final answer
    x = 10,701.56

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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.