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Finding the Fourth Proportional to 18,001.58, 24,843.68 and 9,935.97

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Solution

The fourth proportional to 18,001.58, 24,843.68 and 9,935.97 is: 13,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.58 : 24,843.68 = 9,935.97 : x
  2. Step 2: Convert to fraction form
    18,001.58/24,843.68 = 9,935.97/x
  3. Step 3: Cross multiply
    18,001.58x = 24,843.68 × 9,935.97
  4. Step 4: Simplify right side
    18,001.58x = 246,846,218.22
  5. Step 5: Solve for x
    x = 246,846,218.22/18,001.58
  6. Step 6: Final answer
    x = 13,712.47

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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.