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Finding the Fourth Proportional to 16,481.12, 22,743.96 and 9,029.12

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Solution

The fourth proportional to 16,481.12, 22,743.96 and 9,029.12 is: 12,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,481.12 : 22,743.96 = 9,029.12 : x
  2. Step 2: Convert to fraction form
    16,481.12/22,743.96 = 9,029.12/x
  3. Step 3: Cross multiply
    16,481.12x = 22,743.96 × 9,029.12
  4. Step 4: Simplify right side
    16,481.12x = 205,357,944.12
  5. Step 5: Solve for x
    x = 205,357,944.12/16,481.12
  6. Step 6: Final answer
    x = 12,460.19

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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.