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Finding the Fourth Proportional to 16,481.30, 22,744.19 and 9,029.30

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Solution

The fourth proportional to 16,481.30, 22,744.19 and 9,029.30 is: 12,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,481.30 : 22,744.19 = 9,029.30 : x
  2. Step 2: Convert to fraction form
    16,481.30/22,744.19 = 9,029.30/x
  3. Step 3: Cross multiply
    16,481.30x = 22,744.19 × 9,029.30
  4. Step 4: Simplify right side
    16,481.30x = 205,364,023.62
  5. Step 5: Solve for x
    x = 205,364,023.62/16,481.30
  6. Step 6: Final answer
    x = 12,460.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.