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Finding the Fourth Proportional to 29,352.53, 43,989.86 and 15,991.25

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Solution

The fourth proportional to 29,352.53, 43,989.86 and 15,991.25 is: 23,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,352.53 : 43,989.86 = 15,991.25 : x
  2. Step 2: Convert to fraction form
    29,352.53/43,989.86 = 15,991.25/x
  3. Step 3: Cross multiply
    29,352.53x = 43,989.86 × 15,991.25
  4. Step 4: Simplify right side
    29,352.53x = 703,452,998.68
  5. Step 5: Solve for x
    x = 703,452,998.68/29,352.53
  6. Step 6: Final answer
    x = 23,965.67

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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.