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Finding the Fourth Proportional to 11,850.66, 17,775.99 and 6,910.02

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Solution

The fourth proportional to 11,850.66, 17,775.99 and 6,910.02 is: 10,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.66 : 17,775.99 = 6,910.02 : x
  2. Step 2: Convert to fraction form
    11,850.66/17,775.99 = 6,910.02/x
  3. Step 3: Cross multiply
    11,850.66x = 17,775.99 × 6,910.02
  4. Step 4: Simplify right side
    11,850.66x = 122,832,446.42
  5. Step 5: Solve for x
    x = 122,832,446.42/11,850.66
  6. Step 6: Final answer
    x = 10,365.03

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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.