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Finding the Fourth Proportional to 17,998.07, 26,996.13 and 5,518.13

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Solution

The fourth proportional to 17,998.07, 26,996.13 and 5,518.13 is: 8,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.07 : 26,996.13 = 5,518.13 : x
  2. Step 2: Convert to fraction form
    17,998.07/26,996.13 = 5,518.13/x
  3. Step 3: Cross multiply
    17,998.07x = 26,996.13 × 5,518.13
  4. Step 4: Simplify right side
    17,998.07x = 148,968,019.86
  5. Step 5: Solve for x
    x = 148,968,019.86/17,998.07
  6. Step 6: Final answer
    x = 8,276.89

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1.5x scale

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.