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Finding the Fourth Proportional to 11,918.03, 17,896.12 and 9,833.49

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Solution

The fourth proportional to 11,918.03, 17,896.12 and 9,833.49 is: 14,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.03 : 17,896.12 = 9,833.49 : x
  2. Step 2: Convert to fraction form
    11,918.03/17,896.12 = 9,833.49/x
  3. Step 3: Cross multiply
    11,918.03x = 17,896.12 × 9,833.49
  4. Step 4: Simplify right side
    11,918.03x = 175,981,317.06
  5. Step 5: Solve for x
    x = 175,981,317.06/11,918.03
  6. Step 6: Final answer
    x = 14,765.98

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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.