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Finding the Fourth Proportional to 18,005.44, 24,843.54 and 10,447.39

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Solution

The fourth proportional to 18,005.44, 24,843.54 and 10,447.39 is: 14,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.44 : 24,843.54 = 10,447.39 : x
  2. Step 2: Convert to fraction form
    18,005.44/24,843.54 = 10,447.39/x
  3. Step 3: Cross multiply
    18,005.44x = 24,843.54 × 10,447.39
  4. Step 4: Simplify right side
    18,005.44x = 259,550,151.36
  5. Step 5: Solve for x
    x = 259,550,151.36/18,005.44
  6. Step 6: Final answer
    x = 14,415.10

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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.