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Finding the Fourth Proportional to 11,459.85, 17,201.36 and 5,917.15

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Solution

The fourth proportional to 11,459.85, 17,201.36 and 5,917.15 is: 8,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.85 : 17,201.36 = 5,917.15 : x
  2. Step 2: Convert to fraction form
    11,459.85/17,201.36 = 5,917.15/x
  3. Step 3: Cross multiply
    11,459.85x = 17,201.36 × 5,917.15
  4. Step 4: Simplify right side
    11,459.85x = 101,783,063.62
  5. Step 5: Solve for x
    x = 101,783,063.62/11,459.85
  6. Step 6: Final answer
    x = 8,881.71

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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.