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Finding the Fourth Proportional to 8,548.33, 11,793.09 and 5,189.85

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Solution

The fourth proportional to 8,548.33, 11,793.09 and 5,189.85 is: 7,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.33 : 11,793.09 = 5,189.85 : x
  2. Step 2: Convert to fraction form
    8,548.33/11,793.09 = 5,189.85/x
  3. Step 3: Cross multiply
    8,548.33x = 11,793.09 × 5,189.85
  4. Step 4: Simplify right side
    8,548.33x = 61,204,368.14
  5. Step 5: Solve for x
    x = 61,204,368.14/8,548.33
  6. Step 6: Final answer
    x = 7,159.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.