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Finding the Fourth Proportional to 17,918.88, 26,884.89 and 6,235.44

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Solution

The fourth proportional to 17,918.88, 26,884.89 and 6,235.44 is: 9,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.88 : 26,884.89 = 6,235.44 : x
  2. Step 2: Convert to fraction form
    17,918.88/26,884.89 = 6,235.44/x
  3. Step 3: Cross multiply
    17,918.88x = 26,884.89 × 6,235.44
  4. Step 4: Simplify right side
    17,918.88x = 167,639,118.50
  5. Step 5: Solve for x
    x = 167,639,118.50/17,918.88
  6. Step 6: Final answer
    x = 9,355.45

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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.