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Finding the Fourth Proportional to 29,216.97, 43,823.03 and 11,687.76

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Solution

The fourth proportional to 29,216.97, 43,823.03 and 11,687.76 is: 17,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.97 : 43,823.03 = 11,687.76 : x
  2. Step 2: Convert to fraction form
    29,216.97/43,823.03 = 11,687.76/x
  3. Step 3: Cross multiply
    29,216.97x = 43,823.03 × 11,687.76
  4. Step 4: Simplify right side
    29,216.97x = 512,192,998.67
  5. Step 5: Solve for x
    x = 512,192,998.67/29,216.97
  6. Step 6: Final answer
    x = 17,530.67

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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.