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Finding the Fourth Proportional to 18,005.01, 24,843.81 and 10,449.60

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Solution

The fourth proportional to 18,005.01, 24,843.81 and 10,449.60 is: 14,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.01 : 24,843.81 = 10,449.60 : x
  2. Step 2: Convert to fraction form
    18,005.01/24,843.81 = 10,449.60/x
  3. Step 3: Cross multiply
    18,005.01x = 24,843.81 × 10,449.60
  4. Step 4: Simplify right side
    18,005.01x = 259,607,876.98
  5. Step 5: Solve for x
    x = 259,607,876.98/18,005.01
  6. Step 6: Final answer
    x = 14,418.65

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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.