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Finding the Fourth Proportional to 22,981.88, 34,481.03 and 11,303.30

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Solution

The fourth proportional to 22,981.88, 34,481.03 and 11,303.30 is: 16,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.88 : 34,481.03 = 11,303.30 : x
  2. Step 2: Convert to fraction form
    22,981.88/34,481.03 = 11,303.30/x
  3. Step 3: Cross multiply
    22,981.88x = 34,481.03 × 11,303.30
  4. Step 4: Simplify right side
    22,981.88x = 389,749,197.48
  5. Step 5: Solve for x
    x = 389,749,197.48/22,981.88
  6. Step 6: Final answer
    x = 16,958.98

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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.