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Finding the Fourth Proportional to 43,481.87, 65,252.03 and 15,401.82

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Solution

The fourth proportional to 43,481.87, 65,252.03 and 15,401.82 is: 23,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.87 : 65,252.03 = 15,401.82 : x
  2. Step 2: Convert to fraction form
    43,481.87/65,252.03 = 15,401.82/x
  3. Step 3: Cross multiply
    43,481.87x = 65,252.03 × 15,401.82
  4. Step 4: Simplify right side
    43,481.87x = 1,005,000,020.69
  5. Step 5: Solve for x
    x = 1,005,000,020.69/43,481.87
  6. Step 6: Final answer
    x = 23,113.08

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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.