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Finding the Fourth Proportional to 8,519.73, 11,759.17 and 5,530.38

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Solution

The fourth proportional to 8,519.73, 11,759.17 and 5,530.38 is: 7,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.73 : 11,759.17 = 5,530.38 : x
  2. Step 2: Convert to fraction form
    8,519.73/11,759.17 = 5,530.38/x
  3. Step 3: Cross multiply
    8,519.73x = 11,759.17 × 5,530.38
  4. Step 4: Simplify right side
    8,519.73x = 65,032,627.14
  5. Step 5: Solve for x
    x = 65,032,627.14/8,519.73
  6. Step 6: Final answer
    x = 7,633.18

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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.