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Finding the Fourth Proportional to 17,999.67, 27,011.56 and 7,469.70

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Solution

The fourth proportional to 17,999.67, 27,011.56 and 7,469.70 is: 11,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.67 : 27,011.56 = 7,469.70 : x
  2. Step 2: Convert to fraction form
    17,999.67/27,011.56 = 7,469.70/x
  3. Step 3: Cross multiply
    17,999.67x = 27,011.56 × 7,469.70
  4. Step 4: Simplify right side
    17,999.67x = 201,768,231.06
  5. Step 5: Solve for x
    x = 201,768,231.06/17,999.67
  6. Step 6: Final answer
    x = 11,209.55

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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.