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Finding the Fourth Proportional to 16,998.39, 25,503 and 7,135.02

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Solution

The fourth proportional to 16,998.39, 25,503 and 7,135.02 is: 10,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.39 : 25,503 = 7,135.02 : x
  2. Step 2: Convert to fraction form
    16,998.39/25,503 = 7,135.02/x
  3. Step 3: Cross multiply
    16,998.39x = 25,503 × 7,135.02
  4. Step 4: Simplify right side
    16,998.39x = 181,964,415.06
  5. Step 5: Solve for x
    x = 181,964,415.06/16,998.39
  6. Step 6: Final answer
    x = 10,704.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.